claude-code - 💡(How to fix) Fix Claude Desktop goes blank on Windows, requires Task Manager to kill all processes before app can reopen [2 comments, 2 participants]

TL;DR

Delete the %APPDATA%/Claude/Cache, Code Cache, and GPUCache folders and restart the app to potentially resolve the blank screen issue.

Guidance

• The issue seems to be related to cache corruption, as suggested by the workaround and related issues (#38014, #44558, #21803, #45031).
• To verify if the issue is indeed cache-related, try deleting the specified cache folders and see if the app launches normally afterward.
• If the problem persists, it may be helpful to monitor the app's behavior and system resources (e.g., memory, CPU usage) when the screen goes blank to identify any patterns or potential triggers.
• Consider checking for any updates to the Claude Desktop app, as the issue was first noticed after a model update on April 16, 2026.

Example

No specific code snippet is applicable in this case, as the issue appears to be related to app configuration and caching rather than code.

Notes

The provided workaround may not be a permanent fix, and the issue might recur. The root cause of the cache corruption is not specified, so this solution may only mitigate the symptoms.

Recommendation

Apply the workaround by deleting the specified cache folders and restarting the app, as it has been identified as a recurring pattern across multiple reports and may provide temporary relief from the blank screen issue.