Fix Windows 11 Installation Assistant Stuck at 99% Due to Network Issues
You're running the Windows 11 Installation Assistant, it downloads happily up to 99%, then si...
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Practical fixes for tool errors, setup blocks, and workflow issues.
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All notesNginx Upstream Connection Refused: Diagnosis and Fixes
When Nginx returns a 502 Bad Gateway or logs "upstream connection refused", it means Ngin...
Fix Windows Explorer Restarting After Software Install
If you've just installed a program and Windows Explorer starts restarting repeatedly—taskbar ...
Fixing Cloudflare Wildcard Subdomain Permissions Denied Errors
You set up a wildcard DNS record in Cloudflare, but requests to subdomains return a permissions d...
Fixing Nginx Upstream Connection Refused on Port 443
You see "upstream connection refused" in your Nginx error log when proxying requests to p...
Debugging Jest Tests in VS Code: Breakpoints Not Hit
You set a breakpoint in a Jest test file, start debugging, and the test runs to completion but th...
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