Checklists for software errors, setup, and tool workflows.

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Latest checklists

If Windows Explorer (explorer.exe) keeps restarting—your taskbar disappears and reappears, or you...

If you see fatal: refusing to merge unrelated histories when running git merge...

Git Push Rejected Non Fast Forward: How to Fix
You run git push and see: ! [rejected] main -> main (non-fast-forward)

Cloudflare Origin Certificate Troubleshooting Steps
If your website shows SSL errors or users see "This site can’t provide a secure connection,&#...

Fix Git Clone Connection Timed Out Due to Proxy Settings
You run git clone https://github.com/example/repo.git and after a long pause you get...

Fix VS Code Git Authentication Failed Keychain Error
If you see "Git authentication failed" in VS Code on macOS, the problem is often the macO...