Checklists for software errors, setup, and tool workflows.

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Fix Command Prompt Proxy Settings 502 Bad Gateway

If you see a 502 bad gateway error when using command prompt tools like curl, npm, or git, the pr...

Fix Windows Terminal 404 Not Found After Update

After a Windows Terminal update, you might see a '404 Not Found' error when trying to open it. Th...

How to Restart Microsoft Teams Service on Windows

If Microsoft Teams stops responding, won't sync messages, or fails to update, restarting the Team...

How to Reinstall Windows Defender in Windows 11

If Windows Defender (Microsoft Defender Antivirus) is missing, disabled, or not working correctly...

How to Fix Git Push Rejected (Non-Fast-Forward)

You run git push and get a rejection: ! [rejected] main -> main (non-fast-forwar...

Fix PostgreSQL Password Authentication Failed in pg_hba.conf
When you see psql: FATAL: password authentication failed for user "username", it usu...