claude-code - ๐Ÿ’ก(How to fix) Fix [BUG] Will not reinstall when updating

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Error Message

Error Messages/Logs

2026/05/08 10:47:15.617218 proxy: WinHttpGetProxyForUrl("https://api.anthropic.com/api/desktop/win32/x64/msix/latest/redirect"): winapi error #12180 2026/05/08 10:47:15.763098 proxy: WinHttpGetProxyForUrl("https://downloads.claude.ai/releases/win32/x64/1.6608.1/Claude-f156d01489166df990fe362e0a219bf5099a1857.msix"): winapi error #12180 2026/05/08 10:47:33.064656 ERROR dialog (opening log): Installation failed: AddPackage failed: AddPackage failed with HRESULT 0x80073CF6 2026/05/08 10:47:44.747125 ERROR dialog (with log path): Administrator access is required to install Claude with full features. You can try again or install without Cowork. 2026/05/08 10:48:31.413633 proxy: WinHttpGetProxyForUrl("https://api.anthropic.com/api/desktop/win32/x64/msix/latest/redirect"): winapi error #12180 2026/05/08 10:48:31.552459 proxy: WinHttpGetProxyForUrl("https://downloads.claude.ai/releases/win32/x64/1.6608.1/Claude-f156d01489166df990fe362e0a219bf5099a1857.msix"): winapi error #12180 2026/05/08 10:48:49.915234 ERROR dialog (opening log): Installation failed: AddPackage failed: AddPackage failed with HRESULT 0x80073CF6 2026/05/08 10:49:08.163404 ERROR dialog (with log path): Administrator access is required to install Claude with full features. You can try again or install without Cowork. 2026/05/08 10:49:13.709672 proxy: WinHttpGetProxyForUrl("https://api.anthropic.com/api/desktop/win32/x64/msix/latest/redirect"): winapi error #12180 2026/05/08 10:49:13.837726 proxy: WinHttpGetProxyForUrl("https://downloads.claude.ai/releases/win32/x64/1.6608.1/Claude-f156d01489166df990fe362e0a219bf5099a1857.msix"): winapi error #12180 2026/05/08 10:49:36.254375 ERROR dialog (opening log): Installation failed: AddPackage failed: AddPackage failed with HRESULT 0x80073CF6 2026/05/08 10:49:38.663044 ERROR dialog (with log path): Administrator access is required to install Claude with full features. You can try again or install without Cowork.

Code Example

2026/05/08 10:47:15.436554 Log file: C:\Users\gary\AppData\Local\Temp\ClaudeSetup.log
2026/05/08 10:47:15.437076 === Claude Setup f156d01489166df990fe362e0a219bf5099a1857 started ===
2026/05/08 10:47:15.438119 AllowDevelopmentWithoutDevLicense found with value: 1
2026/05/08 10:47:15.438636 Windows edition: Professional
2026/05/08 10:47:15.439164 Windows version: 10.0.26200
2026/05/08 10:47:15.439164 Native arch: x64
2026/05/08 10:47:15.439164 Elevation type: Full
2026/05/08 10:47:15.439164 Is elevated: true
2026/05/08 10:47:15.439164 Sideloading enabled: true
2026/05/08 10:47:15.439164 S Mode: false
2026/05/08 10:47:15.439164 Conflicting service: false
2026/05/08 10:47:15.439164 Running in non-elevated context
2026/05/08 10:47:15.439164 User can elevate โ€” installing MSIX directly
2026/05/08 10:47:15.463672 Splash: 400x300, 8 frame(s), animated=true
2026/05/08 10:47:15.464675 System DPI: 96 (scale: 100%)
2026/05/08 10:47:15.600048 MSIX URL: https://api.anthropic.com/api/desktop/win32/x64/msix/latest/redirect
2026/05/08 10:47:15.600562 Downloading MSIX to C:\Users\gary\AppData\Local\Temp\Claude-2746061412.msix
2026/05/08 10:47:15.617218 proxy: WinHttpGetProxyForUrl("https://api.anthropic.com/api/desktop/win32/x64/msix/latest/redirect"): winapi error #12180
2026/05/08 10:47:15.763098 proxy: WinHttpGetProxyForUrl("https://downloads.claude.ai/releases/win32/x64/1.6608.1/Claude-f156d01489166df990fe362e0a219bf5099a1857.msix"): winapi error #12180
2026/05/08 10:47:16.026807 Download progress: 10% (23347024 / 233452646 bytes)
2026/05/08 10:47:16.224622 Download progress: 20% (46694048 / 233452646 bytes)
2026/05/08 10:47:16.422109 Download progress: 30% (70041072 / 233452646 bytes)
2026/05/08 10:47:16.619986 Download progress: 40% (93388096 / 233452646 bytes)
2026/05/08 10:47:16.817600 Download progress: 50% (116735120 / 233452646 bytes)
2026/05/08 10:47:17.015482 Download progress: 60% (140082144 / 233452646 bytes)
2026/05/08 10:47:17.212745 Download progress: 70% (163429168 / 233452646 bytes)
2026/05/08 10:47:17.410946 Download progress: 80% (186776176 / 233452646 bytes)
2026/05/08 10:47:17.608862 Download progress: 90% (210123200 / 233452646 bytes)
2026/05/08 10:47:17.805900 Download progress: 100% (233452646 / 233452646 bytes)
2026/05/08 10:47:17.807538 Download complete: 233452646 bytes, SHA256: 19020efcf696da16a48efce193760b0d8eac3b52bdb85c004fddf511ea70ea03
2026/05/08 10:47:17.808049 Download complete
2026/05/08 10:47:17.817415 Self-elevating: C:\dls\Claude Setup (2).exe --elevated --msix-path "C:\Users\gary\AppData\Local\Temp\Claude-2746061412.msix" --log-path "C:\Users\gary\AppData\Local\Temp\ClaudeSetup.log"
2026/05/08 10:47:17.870189 Waiting for elevated process to complete...
2026/05/08 10:47:17.880073 Log file: C:\Users\gary\AppData\Local\Temp\ClaudeSetup.log
2026/05/08 10:47:17.880073 === Claude Setup f156d01489166df990fe362e0a219bf5099a1857 started ===
2026/05/08 10:47:17.881104 AllowDevelopmentWithoutDevLicense found with value: 1
2026/05/08 10:47:17.881104 Windows edition: Professional
2026/05/08 10:47:17.881615 Windows version: 10.0.26200
2026/05/08 10:47:17.881615 Native arch: x64
2026/05/08 10:47:17.881615 Elevation type: Full
2026/05/08 10:47:17.881615 Is elevated: true
2026/05/08 10:47:17.881615 Sideloading enabled: true
2026/05/08 10:47:17.882127 S Mode: false
2026/05/08 10:47:17.882127 Conflicting service: false
2026/05/08 10:47:17.882127 Running in elevated context
2026/05/08 10:47:17.882127 Installing MSIX from C:\Users\gary\AppData\Local\Temp\Claude-2746061412.msix (all-users: false)
2026/05/08 10:47:17.904603 Splash: 400x300, 8 frame(s), animated=true
2026/05/08 10:47:17.909683 System DPI: 96 (scale: 100%)
2026/05/08 10:47:18.054545 Verifying Authenticode signature on C:\Users\gary\AppData\Local\Temp\Claude-2746061412.msix
2026/05/08 10:47:18.858761 WinVerifyTrust: MSIX signature is valid
2026/05/08 10:47:19.258559 Signature verified: MSIX signer matches bootstrapper
2026/05/08 10:47:19.258559 Squirrel process prefix: c:\users\gary\appdata\local\anthropicclaude\
2026/05/08 10:47:19.258559 Checking for running Squirrel Claude processes...
2026/05/08 10:47:19.277338 No Squirrel Claude processes found
2026/05/08 10:47:19.277338 Checking for existing Claude MSIX packages...
2026/05/08 10:47:19.305021 Installing MSIX: C:\Users\gary\AppData\Local\Temp\Claude-2746061412.msix
2026/05/08 10:47:19.306565 Extracted family name from MSIX manifest: Claude_pzs8sxrjxfjjc
2026/05/08 10:47:19.306565 Standard install (not split-account), using AddPackage
2026/05/08 10:47:19.306565 Installing via AddPackage (current-user)...
2026/05/08 10:47:33.064656 MSIX installation failed: AddPackage failed: AddPackage failed with HRESULT 0x80073CF6
2026/05/08 10:47:33.064656 ERROR dialog (opening log): Installation failed: AddPackage failed: AddPackage failed with HRESULT 0x80073CF6

Please share this log with us.
2026/05/08 10:47:44.747125 Elevated process exited with code 1
2026/05/08 10:47:44.747125 Elevation failed: elevated installer exited with code 1
2026/05/08 10:47:44.747125 ERROR dialog (with log path): Administrator access is required to install Claude with full features. You can try again or install without Cowork.
2026/05/08 10:48:31.163667 Log file: C:\Users\gary\AppData\Local\Temp\ClaudeSetup.log
2026/05/08 10:48:31.164179 === Claude Setup f156d01489166df990fe362e0a219bf5099a1857 started ===
2026/05/08 10:48:31.165218 AllowDevelopmentWithoutDevLicense found with value: 1
2026/05/08 10:48:31.165218 Windows edition: Professional
2026/05/08 10:48:31.166253 Windows version: 10.0.26200
2026/05/08 10:48:31.166253 Native arch: x64
2026/05/08 10:48:31.166253 Elevation type: Full
2026/05/08 10:48:31.166253 Is elevated: true
2026/05/08 10:48:31.166253 Sideloading enabled: true
2026/05/08 10:48:31.166253 S Mode: false
2026/05/08 10:48:31.166253 Conflicting service: false
2026/05/08 10:48:31.166253 Running in non-elevated context
2026/05/08 10:48:31.166253 User can elevate โ€” installing MSIX directly
2026/05/08 10:48:31.191155 Splash: 400x300, 8 frame(s), animated=true
2026/05/08 10:48:31.191671 System DPI: 96 (scale: 100%)
2026/05/08 10:48:31.396975 MSIX URL: https://api.anthropic.com/api/desktop/win32/x64/msix/latest/redirect
2026/05/08 10:48:31.397488 Downloading MSIX to C:\Users\gary\AppData\Local\Temp\Claude-904784930.msix
2026/05/08 10:48:31.413633 proxy: WinHttpGetProxyForUrl("https://api.anthropic.com/api/desktop/win32/x64/msix/latest/redirect"): winapi error #12180
2026/05/08 10:48:31.552459 proxy: WinHttpGetProxyForUrl("https://downloads.claude.ai/releases/win32/x64/1.6608.1/Claude-f156d01489166df990fe362e0a219bf5099a1857.msix"): winapi error #12180
2026/05/08 10:48:31.824751 Download progress: 10% (23347024 / 233452646 bytes)
2026/05/08 10:48:32.022651 Download progress: 20% (46710432 / 233452646 bytes)
2026/05/08 10:48:32.220450 Download progress: 30% (70041072 / 233452646 bytes)
2026/05/08 10:48:32.430656 Download progress: 40% (93388096 / 233452646 bytes)
2026/05/08 10:48:32.629611 Download progress: 50% (116735120 / 233452646 bytes)
2026/05/08 10:48:32.835357 Download progress: 60% (140098528 / 233452646 bytes)
2026/05/08 10:48:33.025197 Download progress: 70% (163429168 / 233452646 bytes)
2026/05/08 10:48:33.223016 Download progress: 80% (186776176 / 233452646 bytes)
2026/05/08 10:48:33.420308 Download progress: 90% (210123200 / 233452646 bytes)
2026/05/08 10:48:33.617920 Download progress: 100% (233452646 / 233452646 bytes)
2026/05/08 10:48:33.619028 Download complete: 233452646 bytes, SHA256: 19020efcf696da16a48efce193760b0d8eac3b52bdb85c004fddf511ea70ea03
2026/05/08 10:48:33.619624 Download complete
2026/05/08 10:48:33.639032 Self-elevating: C:\dls\Claude Setup (2).exe --elevated --msix-path "C:\Users\gary\AppData\Local\Temp\Claude-904784930.msix" --log-path "C:\Users\gary\AppData\Local\Temp\ClaudeSetup.log"
2026/05/08 10:48:33.721615 Waiting for elevated process to complete...
2026/05/08 10:48:33.729519 Log file: C:\Users\gary\AppData\Local\Temp\ClaudeSetup.log
2026/05/08 10:48:33.729519 === Claude Setup f156d01489166df990fe362e0a219bf5099a1857 started ===
2026/05/08 10:48:33.730560 AllowDevelopmentWithoutDevLicense found with value: 1
2026/05/08 10:48:33.730560 Windows edition: Professional
2026/05/08 10:48:33.731077 Windows version: 10.0.26200
2026/05/08 10:48:33.731077 Native arch: x64
2026/05/08 10:48:33.731077 Elevation type: Full
2026/05/08 10:48:33.731077 Is elevated: true
2026/05/08 10:48:33.731077 Sideloading enabled: true
2026/05/08 10:48:33.731077 S Mode: false
2026/05/08 10:48:33.731077 Conflicting service: false
2026/05/08 10:48:33.731077 Running in elevated context
2026/05/08 10:48:33.731601 Installing MSIX from C:\Users\gary\AppData\Local\Temp\Claude-904784930.msix (all-users: false)
2026/05/08 10:48:33.748098 Splash: 400x300, 8 frame(s), animated=true
2026/05/08 10:48:33.748098 System DPI: 96 (scale: 100%)
2026/05/08 10:48:33.856112 Verifying Authenticode signature on C:\Users\gary\AppData\Local\Temp\Claude-904784930.msix
2026/05/08 10:48:34.523305 WinVerifyTrust: MSIX signature is valid
2026/05/08 10:48:34.862126 Signature verified: MSIX signer matches bootstrapper
2026/05/08 10:48:34.862126 Squirrel process prefix: c:\users\gary\appdata\local\anthropicclaude\
2026/05/08 10:48:34.862126 Checking for running Squirrel Claude processes...
2026/05/08 10:48:34.882802 No Squirrel Claude processes found
2026/05/08 10:48:34.882802 Checking for existing Claude MSIX packages...
2026/05/08 10:48:34.906128 Installing MSIX: C:\Users\gary\AppData\Local\Temp\Claude-904784930.msix
2026/05/08 10:48:34.907734 Extracted family name from MSIX manifest: Claude_pzs8sxrjxfjjc
2026/05/08 10:48:34.907734 Standard install (not split-account), using AddPackage
2026/05/08 10:48:34.907734 Installing via AddPackage (current-user)...
2026/05/08 10:48:49.915234 MSIX installation failed: AddPackage failed: AddPackage failed with HRESULT 0x80073CF6
2026/05/08 10:48:49.915234 ERROR dialog (opening log): Installation failed: AddPackage failed: AddPackage failed with HRESULT 0x80073CF6

Please share this log with us.
2026/05/08 10:49:08.163404 Elevated process exited with code 1
2026/05/08 10:49:08.163404 Elevation failed: elevated installer exited with code 1
2026/05/08 10:49:08.163404 ERROR dialog (with log path): Administrator access is required to install Claude with full features. You can try again or install without Cowork.
2026/05/08 10:49:13.183432 Log file: C:\Users\gary\AppData\Local\Temp\ClaudeSetup.log
2026/05/08 10:49:13.183954 === Claude Setup f156d01489166df990fe362e0a219bf5099a1857 started ===
2026/05/08 10:49:13.184474 AllowDevelopmentWithoutDevLicense found with value: 1
2026/05/08 10:49:13.184474 Windows edition: Professional
2026/05/08 10:49:13.184997 Windows version: 10.0.26200
2026/05/08 10:49:13.184997 Native arch: x64
2026/05/08 10:49:13.184997 Elevation type: Limited
2026/05/08 10:49:13.184997 Is elevated: false
2026/05/08 10:49:13.184997 Sideloading enabled: true
2026/05/08 10:49:13.184997 S Mode: false
2026/05/08 10:49:13.184997 Conflicting service: false
2026/05/08 10:49:13.184997 Running in non-elevated context
2026/05/08 10:49:13.184997 User can elevate โ€” installing MSIX directly
2026/05/08 10:49:13.218178 Splash: 400x300, 8 frame(s), animated=true
2026/05/08 10:49:13.222996 System DPI: 96 (scale: 100%)
2026/05/08 10:49:13.691538 MSIX URL: https://api.anthropic.com/api/desktop/win32/x64/msix/latest/redirect
2026/05/08 10:49:13.692206 Downloading MSIX to C:\Users\gary\AppData\Local\Temp\Claude-142403841.msix
2026/05/08 10:49:13.709672 proxy: WinHttpGetProxyForUrl("https://api.anthropic.com/api/desktop/win32/x64/msix/latest/redirect"): winapi error #12180
2026/05/08 10:49:13.837726 proxy: WinHttpGetProxyForUrl("https://downloads.claude.ai/releases/win32/x64/1.6608.1/Claude-f156d01489166df990fe362e0a219bf5099a1857.msix"): winapi error #12180
2026/05/08 10:49:14.329430 Download progress: 10% (23347024 / 233452646 bytes)
2026/05/08 10:49:14.550605 Download progress: 20% (46694048 / 233452646 bytes)
2026/05/08 10:49:14.754906 Download progress: 30% (70041072 / 233452646 bytes)
2026/05/08 10:49:14.965017 Download progress: 40% (93388096 / 233452646 bytes)
2026/05/08 10:49:15.162125 Download progress: 50% (116735120 / 233452646 bytes)
2026/05/08 10:49:15.359270 Download progress: 60% (140082144 / 233452646 bytes)
2026/05/08 10:49:15.557423 Download progress: 70% (163429168 / 233452646 bytes)
2026/05/08 10:49:15.755375 Download progress: 80% (186776176 / 233452646 bytes)
2026/05/08 10:49:15.953261 Download progress: 90% (210123200 / 233452646 bytes)
2026/05/08 10:49:16.150393 Download progress: 100% (233452646 / 233452646 bytes)
2026/05/08 10:49:16.152244 Download complete: 233452646 bytes, SHA256: 19020efcf696da16a48efce193760b0d8eac3b52bdb85c004fddf511ea70ea03
2026/05/08 10:49:16.152754 Download complete
2026/05/08 10:49:16.218081 Self-elevating: C:\dls\Claude Setup (2).exe --elevated --msix-path "C:\Users\gary\AppData\Local\Temp\Claude-142403841.msix" --log-path "C:\Users\gary\AppData\Local\Temp\ClaudeSetup.log"
2026/05/08 10:49:20.499920 Waiting for elevated process to complete...
2026/05/08 10:49:20.511019 Log file: C:\Users\gary\AppData\Local\Temp\ClaudeSetup.log
2026/05/08 10:49:20.511548 === Claude Setup f156d01489166df990fe362e0a219bf5099a1857 started ===
2026/05/08 10:49:20.512580 AllowDevelopmentWithoutDevLicense found with value: 1
2026/05/08 10:49:20.512580 Windows edition: Professional
2026/05/08 10:49:20.513097 Windows version: 10.0.26200
2026/05/08 10:49:20.513097 Native arch: x64
2026/05/08 10:49:20.513097 Elevation type: Full
2026/05/08 10:49:20.513097 Is elevated: true
2026/05/08 10:49:20.513097 Sideloading enabled: true
2026/05/08 10:49:20.513097 S Mode: false
2026/05/08 10:49:20.513097 Conflicting service: false
2026/05/08 10:49:20.513097 Running in elevated context
2026/05/08 10:49:20.513618 Installing MSIX from C:\Users\gary\AppData\Local\Temp\Claude-142403841.msix (all-users: false)
2026/05/08 10:49:20.558792 Splash: 400x300, 8 frame(s), animated=true
2026/05/08 10:49:20.559827 System DPI: 96 (scale: 100%)
2026/05/08 10:49:20.872459 Verifying Authenticode signature on C:\Users\gary\AppData\Local\Temp\Claude-142403841.msix
2026/05/08 10:49:21.694542 WinVerifyTrust: MSIX signature is valid
2026/05/08 10:49:22.137418 Signature verified: MSIX signer matches bootstrapper
2026/05/08 10:49:22.137418 Squirrel process prefix: c:\users\gary\appdata\local\anthropicclaude\
2026/05/08 10:49:22.137418 Checking for running Squirrel Claude processes...
2026/05/08 10:49:22.157545 No Squirrel Claude processes found
2026/05/08 10:49:22.157545 Checking for existing Claude MSIX packages...
2026/05/08 10:49:22.182655 Installing MSIX: C:\Users\gary\AppData\Local\Temp\Claude-142403841.msix
2026/05/08 10:49:22.184244 Extracted family name from MSIX manifest: Claude_pzs8sxrjxfjjc
2026/05/08 10:49:22.184244 Standard install (not split-account), using AddPackage
2026/05/08 10:49:22.184244 Installing via AddPackage (current-user)...
2026/05/08 10:49:36.254375 MSIX installation failed: AddPackage failed: AddPackage failed with HRESULT 0x80073CF6
2026/05/08 10:49:36.254375 ERROR dialog (opening log): Installation failed: AddPackage failed: AddPackage failed with HRESULT 0x80073CF6

Please share this log with us.
2026/05/08 10:49:38.663044 Elevated process exited with code 1
2026/05/08 10:49:38.663044 Elevation failed: elevated installer exited with code 1
2026/05/08 10:49:38.663044 ERROR dialog (with log path): Administrator access is required to install Claude with full features. You can try again or install without Cowork.
RAW_BUFFERClick to expand / collapse

Preflight Checklist

  • I have searched existing issues and this hasn't been reported yet
  • This is a single bug report (please file separate reports for different bugs)
  • I am using the latest version of Claude Code

What's Wrong?

ClaudeSetup.log This is the log. When I try installing, it just fails.

What Should Happen?

It should install and restart

Error Messages/Logs

2026/05/08 10:47:15.436554 Log file: C:\Users\gary\AppData\Local\Temp\ClaudeSetup.log
2026/05/08 10:47:15.437076 === Claude Setup f156d01489166df990fe362e0a219bf5099a1857 started ===
2026/05/08 10:47:15.438119 AllowDevelopmentWithoutDevLicense found with value: 1
2026/05/08 10:47:15.438636 Windows edition: Professional
2026/05/08 10:47:15.439164 Windows version: 10.0.26200
2026/05/08 10:47:15.439164 Native arch: x64
2026/05/08 10:47:15.439164 Elevation type: Full
2026/05/08 10:47:15.439164 Is elevated: true
2026/05/08 10:47:15.439164 Sideloading enabled: true
2026/05/08 10:47:15.439164 S Mode: false
2026/05/08 10:47:15.439164 Conflicting service: false
2026/05/08 10:47:15.439164 Running in non-elevated context
2026/05/08 10:47:15.439164 User can elevate โ€” installing MSIX directly
2026/05/08 10:47:15.463672 Splash: 400x300, 8 frame(s), animated=true
2026/05/08 10:47:15.464675 System DPI: 96 (scale: 100%)
2026/05/08 10:47:15.600048 MSIX URL: https://api.anthropic.com/api/desktop/win32/x64/msix/latest/redirect
2026/05/08 10:47:15.600562 Downloading MSIX to C:\Users\gary\AppData\Local\Temp\Claude-2746061412.msix
2026/05/08 10:47:15.617218 proxy: WinHttpGetProxyForUrl("https://api.anthropic.com/api/desktop/win32/x64/msix/latest/redirect"): winapi error #12180
2026/05/08 10:47:15.763098 proxy: WinHttpGetProxyForUrl("https://downloads.claude.ai/releases/win32/x64/1.6608.1/Claude-f156d01489166df990fe362e0a219bf5099a1857.msix"): winapi error #12180
2026/05/08 10:47:16.026807 Download progress: 10% (23347024 / 233452646 bytes)
2026/05/08 10:47:16.224622 Download progress: 20% (46694048 / 233452646 bytes)
2026/05/08 10:47:16.422109 Download progress: 30% (70041072 / 233452646 bytes)
2026/05/08 10:47:16.619986 Download progress: 40% (93388096 / 233452646 bytes)
2026/05/08 10:47:16.817600 Download progress: 50% (116735120 / 233452646 bytes)
2026/05/08 10:47:17.015482 Download progress: 60% (140082144 / 233452646 bytes)
2026/05/08 10:47:17.212745 Download progress: 70% (163429168 / 233452646 bytes)
2026/05/08 10:47:17.410946 Download progress: 80% (186776176 / 233452646 bytes)
2026/05/08 10:47:17.608862 Download progress: 90% (210123200 / 233452646 bytes)
2026/05/08 10:47:17.805900 Download progress: 100% (233452646 / 233452646 bytes)
2026/05/08 10:47:17.807538 Download complete: 233452646 bytes, SHA256: 19020efcf696da16a48efce193760b0d8eac3b52bdb85c004fddf511ea70ea03
2026/05/08 10:47:17.808049 Download complete
2026/05/08 10:47:17.817415 Self-elevating: C:\dls\Claude Setup (2).exe --elevated --msix-path "C:\Users\gary\AppData\Local\Temp\Claude-2746061412.msix" --log-path "C:\Users\gary\AppData\Local\Temp\ClaudeSetup.log"
2026/05/08 10:47:17.870189 Waiting for elevated process to complete...
2026/05/08 10:47:17.880073 Log file: C:\Users\gary\AppData\Local\Temp\ClaudeSetup.log
2026/05/08 10:47:17.880073 === Claude Setup f156d01489166df990fe362e0a219bf5099a1857 started ===
2026/05/08 10:47:17.881104 AllowDevelopmentWithoutDevLicense found with value: 1
2026/05/08 10:47:17.881104 Windows edition: Professional
2026/05/08 10:47:17.881615 Windows version: 10.0.26200
2026/05/08 10:47:17.881615 Native arch: x64
2026/05/08 10:47:17.881615 Elevation type: Full
2026/05/08 10:47:17.881615 Is elevated: true
2026/05/08 10:47:17.881615 Sideloading enabled: true
2026/05/08 10:47:17.882127 S Mode: false
2026/05/08 10:47:17.882127 Conflicting service: false
2026/05/08 10:47:17.882127 Running in elevated context
2026/05/08 10:47:17.882127 Installing MSIX from C:\Users\gary\AppData\Local\Temp\Claude-2746061412.msix (all-users: false)
2026/05/08 10:47:17.904603 Splash: 400x300, 8 frame(s), animated=true
2026/05/08 10:47:17.909683 System DPI: 96 (scale: 100%)
2026/05/08 10:47:18.054545 Verifying Authenticode signature on C:\Users\gary\AppData\Local\Temp\Claude-2746061412.msix
2026/05/08 10:47:18.858761 WinVerifyTrust: MSIX signature is valid
2026/05/08 10:47:19.258559 Signature verified: MSIX signer matches bootstrapper
2026/05/08 10:47:19.258559 Squirrel process prefix: c:\users\gary\appdata\local\anthropicclaude\
2026/05/08 10:47:19.258559 Checking for running Squirrel Claude processes...
2026/05/08 10:47:19.277338 No Squirrel Claude processes found
2026/05/08 10:47:19.277338 Checking for existing Claude MSIX packages...
2026/05/08 10:47:19.305021 Installing MSIX: C:\Users\gary\AppData\Local\Temp\Claude-2746061412.msix
2026/05/08 10:47:19.306565 Extracted family name from MSIX manifest: Claude_pzs8sxrjxfjjc
2026/05/08 10:47:19.306565 Standard install (not split-account), using AddPackage
2026/05/08 10:47:19.306565 Installing via AddPackage (current-user)...
2026/05/08 10:47:33.064656 MSIX installation failed: AddPackage failed: AddPackage failed with HRESULT 0x80073CF6
2026/05/08 10:47:33.064656 ERROR dialog (opening log): Installation failed: AddPackage failed: AddPackage failed with HRESULT 0x80073CF6

Please share this log with us.
2026/05/08 10:47:44.747125 Elevated process exited with code 1
2026/05/08 10:47:44.747125 Elevation failed: elevated installer exited with code 1
2026/05/08 10:47:44.747125 ERROR dialog (with log path): Administrator access is required to install Claude with full features. You can try again or install without Cowork.
2026/05/08 10:48:31.163667 Log file: C:\Users\gary\AppData\Local\Temp\ClaudeSetup.log
2026/05/08 10:48:31.164179 === Claude Setup f156d01489166df990fe362e0a219bf5099a1857 started ===
2026/05/08 10:48:31.165218 AllowDevelopmentWithoutDevLicense found with value: 1
2026/05/08 10:48:31.165218 Windows edition: Professional
2026/05/08 10:48:31.166253 Windows version: 10.0.26200
2026/05/08 10:48:31.166253 Native arch: x64
2026/05/08 10:48:31.166253 Elevation type: Full
2026/05/08 10:48:31.166253 Is elevated: true
2026/05/08 10:48:31.166253 Sideloading enabled: true
2026/05/08 10:48:31.166253 S Mode: false
2026/05/08 10:48:31.166253 Conflicting service: false
2026/05/08 10:48:31.166253 Running in non-elevated context
2026/05/08 10:48:31.166253 User can elevate โ€” installing MSIX directly
2026/05/08 10:48:31.191155 Splash: 400x300, 8 frame(s), animated=true
2026/05/08 10:48:31.191671 System DPI: 96 (scale: 100%)
2026/05/08 10:48:31.396975 MSIX URL: https://api.anthropic.com/api/desktop/win32/x64/msix/latest/redirect
2026/05/08 10:48:31.397488 Downloading MSIX to C:\Users\gary\AppData\Local\Temp\Claude-904784930.msix
2026/05/08 10:48:31.413633 proxy: WinHttpGetProxyForUrl("https://api.anthropic.com/api/desktop/win32/x64/msix/latest/redirect"): winapi error #12180
2026/05/08 10:48:31.552459 proxy: WinHttpGetProxyForUrl("https://downloads.claude.ai/releases/win32/x64/1.6608.1/Claude-f156d01489166df990fe362e0a219bf5099a1857.msix"): winapi error #12180
2026/05/08 10:48:31.824751 Download progress: 10% (23347024 / 233452646 bytes)
2026/05/08 10:48:32.022651 Download progress: 20% (46710432 / 233452646 bytes)
2026/05/08 10:48:32.220450 Download progress: 30% (70041072 / 233452646 bytes)
2026/05/08 10:48:32.430656 Download progress: 40% (93388096 / 233452646 bytes)
2026/05/08 10:48:32.629611 Download progress: 50% (116735120 / 233452646 bytes)
2026/05/08 10:48:32.835357 Download progress: 60% (140098528 / 233452646 bytes)
2026/05/08 10:48:33.025197 Download progress: 70% (163429168 / 233452646 bytes)
2026/05/08 10:48:33.223016 Download progress: 80% (186776176 / 233452646 bytes)
2026/05/08 10:48:33.420308 Download progress: 90% (210123200 / 233452646 bytes)
2026/05/08 10:48:33.617920 Download progress: 100% (233452646 / 233452646 bytes)
2026/05/08 10:48:33.619028 Download complete: 233452646 bytes, SHA256: 19020efcf696da16a48efce193760b0d8eac3b52bdb85c004fddf511ea70ea03
2026/05/08 10:48:33.619624 Download complete
2026/05/08 10:48:33.639032 Self-elevating: C:\dls\Claude Setup (2).exe --elevated --msix-path "C:\Users\gary\AppData\Local\Temp\Claude-904784930.msix" --log-path "C:\Users\gary\AppData\Local\Temp\ClaudeSetup.log"
2026/05/08 10:48:33.721615 Waiting for elevated process to complete...
2026/05/08 10:48:33.729519 Log file: C:\Users\gary\AppData\Local\Temp\ClaudeSetup.log
2026/05/08 10:48:33.729519 === Claude Setup f156d01489166df990fe362e0a219bf5099a1857 started ===
2026/05/08 10:48:33.730560 AllowDevelopmentWithoutDevLicense found with value: 1
2026/05/08 10:48:33.730560 Windows edition: Professional
2026/05/08 10:48:33.731077 Windows version: 10.0.26200
2026/05/08 10:48:33.731077 Native arch: x64
2026/05/08 10:48:33.731077 Elevation type: Full
2026/05/08 10:48:33.731077 Is elevated: true
2026/05/08 10:48:33.731077 Sideloading enabled: true
2026/05/08 10:48:33.731077 S Mode: false
2026/05/08 10:48:33.731077 Conflicting service: false
2026/05/08 10:48:33.731077 Running in elevated context
2026/05/08 10:48:33.731601 Installing MSIX from C:\Users\gary\AppData\Local\Temp\Claude-904784930.msix (all-users: false)
2026/05/08 10:48:33.748098 Splash: 400x300, 8 frame(s), animated=true
2026/05/08 10:48:33.748098 System DPI: 96 (scale: 100%)
2026/05/08 10:48:33.856112 Verifying Authenticode signature on C:\Users\gary\AppData\Local\Temp\Claude-904784930.msix
2026/05/08 10:48:34.523305 WinVerifyTrust: MSIX signature is valid
2026/05/08 10:48:34.862126 Signature verified: MSIX signer matches bootstrapper
2026/05/08 10:48:34.862126 Squirrel process prefix: c:\users\gary\appdata\local\anthropicclaude\
2026/05/08 10:48:34.862126 Checking for running Squirrel Claude processes...
2026/05/08 10:48:34.882802 No Squirrel Claude processes found
2026/05/08 10:48:34.882802 Checking for existing Claude MSIX packages...
2026/05/08 10:48:34.906128 Installing MSIX: C:\Users\gary\AppData\Local\Temp\Claude-904784930.msix
2026/05/08 10:48:34.907734 Extracted family name from MSIX manifest: Claude_pzs8sxrjxfjjc
2026/05/08 10:48:34.907734 Standard install (not split-account), using AddPackage
2026/05/08 10:48:34.907734 Installing via AddPackage (current-user)...
2026/05/08 10:48:49.915234 MSIX installation failed: AddPackage failed: AddPackage failed with HRESULT 0x80073CF6
2026/05/08 10:48:49.915234 ERROR dialog (opening log): Installation failed: AddPackage failed: AddPackage failed with HRESULT 0x80073CF6

Please share this log with us.
2026/05/08 10:49:08.163404 Elevated process exited with code 1
2026/05/08 10:49:08.163404 Elevation failed: elevated installer exited with code 1
2026/05/08 10:49:08.163404 ERROR dialog (with log path): Administrator access is required to install Claude with full features. You can try again or install without Cowork.
2026/05/08 10:49:13.183432 Log file: C:\Users\gary\AppData\Local\Temp\ClaudeSetup.log
2026/05/08 10:49:13.183954 === Claude Setup f156d01489166df990fe362e0a219bf5099a1857 started ===
2026/05/08 10:49:13.184474 AllowDevelopmentWithoutDevLicense found with value: 1
2026/05/08 10:49:13.184474 Windows edition: Professional
2026/05/08 10:49:13.184997 Windows version: 10.0.26200
2026/05/08 10:49:13.184997 Native arch: x64
2026/05/08 10:49:13.184997 Elevation type: Limited
2026/05/08 10:49:13.184997 Is elevated: false
2026/05/08 10:49:13.184997 Sideloading enabled: true
2026/05/08 10:49:13.184997 S Mode: false
2026/05/08 10:49:13.184997 Conflicting service: false
2026/05/08 10:49:13.184997 Running in non-elevated context
2026/05/08 10:49:13.184997 User can elevate โ€” installing MSIX directly
2026/05/08 10:49:13.218178 Splash: 400x300, 8 frame(s), animated=true
2026/05/08 10:49:13.222996 System DPI: 96 (scale: 100%)
2026/05/08 10:49:13.691538 MSIX URL: https://api.anthropic.com/api/desktop/win32/x64/msix/latest/redirect
2026/05/08 10:49:13.692206 Downloading MSIX to C:\Users\gary\AppData\Local\Temp\Claude-142403841.msix
2026/05/08 10:49:13.709672 proxy: WinHttpGetProxyForUrl("https://api.anthropic.com/api/desktop/win32/x64/msix/latest/redirect"): winapi error #12180
2026/05/08 10:49:13.837726 proxy: WinHttpGetProxyForUrl("https://downloads.claude.ai/releases/win32/x64/1.6608.1/Claude-f156d01489166df990fe362e0a219bf5099a1857.msix"): winapi error #12180
2026/05/08 10:49:14.329430 Download progress: 10% (23347024 / 233452646 bytes)
2026/05/08 10:49:14.550605 Download progress: 20% (46694048 / 233452646 bytes)
2026/05/08 10:49:14.754906 Download progress: 30% (70041072 / 233452646 bytes)
2026/05/08 10:49:14.965017 Download progress: 40% (93388096 / 233452646 bytes)
2026/05/08 10:49:15.162125 Download progress: 50% (116735120 / 233452646 bytes)
2026/05/08 10:49:15.359270 Download progress: 60% (140082144 / 233452646 bytes)
2026/05/08 10:49:15.557423 Download progress: 70% (163429168 / 233452646 bytes)
2026/05/08 10:49:15.755375 Download progress: 80% (186776176 / 233452646 bytes)
2026/05/08 10:49:15.953261 Download progress: 90% (210123200 / 233452646 bytes)
2026/05/08 10:49:16.150393 Download progress: 100% (233452646 / 233452646 bytes)
2026/05/08 10:49:16.152244 Download complete: 233452646 bytes, SHA256: 19020efcf696da16a48efce193760b0d8eac3b52bdb85c004fddf511ea70ea03
2026/05/08 10:49:16.152754 Download complete
2026/05/08 10:49:16.218081 Self-elevating: C:\dls\Claude Setup (2).exe --elevated --msix-path "C:\Users\gary\AppData\Local\Temp\Claude-142403841.msix" --log-path "C:\Users\gary\AppData\Local\Temp\ClaudeSetup.log"
2026/05/08 10:49:20.499920 Waiting for elevated process to complete...
2026/05/08 10:49:20.511019 Log file: C:\Users\gary\AppData\Local\Temp\ClaudeSetup.log
2026/05/08 10:49:20.511548 === Claude Setup f156d01489166df990fe362e0a219bf5099a1857 started ===
2026/05/08 10:49:20.512580 AllowDevelopmentWithoutDevLicense found with value: 1
2026/05/08 10:49:20.512580 Windows edition: Professional
2026/05/08 10:49:20.513097 Windows version: 10.0.26200
2026/05/08 10:49:20.513097 Native arch: x64
2026/05/08 10:49:20.513097 Elevation type: Full
2026/05/08 10:49:20.513097 Is elevated: true
2026/05/08 10:49:20.513097 Sideloading enabled: true
2026/05/08 10:49:20.513097 S Mode: false
2026/05/08 10:49:20.513097 Conflicting service: false
2026/05/08 10:49:20.513097 Running in elevated context
2026/05/08 10:49:20.513618 Installing MSIX from C:\Users\gary\AppData\Local\Temp\Claude-142403841.msix (all-users: false)
2026/05/08 10:49:20.558792 Splash: 400x300, 8 frame(s), animated=true
2026/05/08 10:49:20.559827 System DPI: 96 (scale: 100%)
2026/05/08 10:49:20.872459 Verifying Authenticode signature on C:\Users\gary\AppData\Local\Temp\Claude-142403841.msix
2026/05/08 10:49:21.694542 WinVerifyTrust: MSIX signature is valid
2026/05/08 10:49:22.137418 Signature verified: MSIX signer matches bootstrapper
2026/05/08 10:49:22.137418 Squirrel process prefix: c:\users\gary\appdata\local\anthropicclaude\
2026/05/08 10:49:22.137418 Checking for running Squirrel Claude processes...
2026/05/08 10:49:22.157545 No Squirrel Claude processes found
2026/05/08 10:49:22.157545 Checking for existing Claude MSIX packages...
2026/05/08 10:49:22.182655 Installing MSIX: C:\Users\gary\AppData\Local\Temp\Claude-142403841.msix
2026/05/08 10:49:22.184244 Extracted family name from MSIX manifest: Claude_pzs8sxrjxfjjc
2026/05/08 10:49:22.184244 Standard install (not split-account), using AddPackage
2026/05/08 10:49:22.184244 Installing via AddPackage (current-user)...
2026/05/08 10:49:36.254375 MSIX installation failed: AddPackage failed: AddPackage failed with HRESULT 0x80073CF6
2026/05/08 10:49:36.254375 ERROR dialog (opening log): Installation failed: AddPackage failed: AddPackage failed with HRESULT 0x80073CF6

Please share this log with us.
2026/05/08 10:49:38.663044 Elevated process exited with code 1
2026/05/08 10:49:38.663044 Elevation failed: elevated installer exited with code 1
2026/05/08 10:49:38.663044 ERROR dialog (with log path): Administrator access is required to install Claude with full features. You can try again or install without Cowork.

Steps to Reproduce

The bug happened when I clicked "update" in the Claude app. Now I can't get it to run or install (I uninstalled it after an hour of trying other fixes).

Claude Model

Opus

Is this a regression?

I don't know

Last Working Version

No response

Claude Code Version

2.1.85 (Claude Code)

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

No response

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