Checklists for software errors, setup, and tool workflows.

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How to Activate Windows with a Digital License

If you've upgraded to Windows 10 or 11 from a previous version, or bought a new PC with Windows p...

Fix Windows Security 502 Bad Gateway Error

If you're seeing a "502 Bad Gateway" error when opening Windows Security (also known as Windows D...

Fix Windows Update Cleanup Stuck Using Command Prompt

You ran Disk Cleanup to clear Windows Update files, but it sits at 'Working on updates' for hours...

Fix Windows Defender Version Mismatch Not Updating

If Windows Defender shows a version mismatch and refuses to update, you might see errors like "Yo...

Fix VS Code Extension Host Out of Memory Error

You're working in VS Code and suddenly a popup says "Extension host terminated unexpectedly"<...

MySQL Connection Refused Authentication Error Checklist
You're trying to connect to a MySQL server and you get one of these: ERROR 2003 (HY000): Ca...