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claude-code - ๐Ÿ’ก(How to fix) Fix [BUG] unable to re-install claude code

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Error Message

I am re-installing claude code. I have been using it without issues until today. I got an error after running claude --resume. I was instructed in installing claude code and installing latest version. Since then I can't install claude code. Claude desktop is working without issues. when I try to install , the installation hangs.

Error Messages/Logs

curl -I https://downloads.claude.ai -> error 403

Code Example

HTTP/2 403 
content-type: application/xml; charset=UTF-8
x-guploader-uploadid: AAVLpEg2PKGotMSRbudzd8jFxJhSmYU3atLBF0kFmQupGdaVh0d8PEJrwk3y7yTaxbihCro4
content-length: 111
date: Sat, 30 May 2026 02:00:23 GMT
expires: Sat, 30 May 2026 02:00:23 GMT
cache-control: private, max-age=0
server: UploadServer
via: 1.1 google
alt-svc: h3=":443"; ma=2592000
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?

I am re-installing claude code. I have been using it without issues until today. I got an error after running claude --resume. I was instructed in installing claude code and installing latest version. Since then I can't install claude code. Claude desktop is working without issues. when I try to install , the installation hangs.

What Should Happen?

I expect no issues in re-installing claude code.

Error Messages/Logs

HTTP/2 403 
content-type: application/xml; charset=UTF-8
x-guploader-uploadid: AAVLpEg2PKGotMSRbudzd8jFxJhSmYU3atLBF0kFmQupGdaVh0d8PEJrwk3y7yTaxbihCro4
content-length: 111
date: Sat, 30 May 2026 02:00:23 GMT
expires: Sat, 30 May 2026 02:00:23 GMT
cache-control: private, max-age=0
server: UploadServer
via: 1.1 google
alt-svc: h3=":443"; ma=2592000

Steps to Reproduce

I run the following commands , but always got the same pb : curl -fsSL https://claude.ai/install.sh | bash -> installation hangs

timeout 60 bash -c 'curl -fsSL https://claude.ai/install.sh | bash' -> installation hangs

curl -I https://downloads.claude.ai -> error 403

I stopped vpn : try again same commands got exactly same results

erase the cache, try again same results

can you help me ?

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

latest version until today

Claude Code Version

latest version

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

No response

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claude-code - ๐Ÿ’ก(How to fix) Fix [BUG] unable to re-install claude code