Checklists for software errors, setup, and tool workflows.

How to Unlock a File Locked by Windows Security

You try to open or delete a file, and Windows says it's locked by Windows Security. This usually ...

Fix VSCode Extension Host Terminated Error Code 0

What does this error mean?

When you see 'Extension host terminated unexpectedly with erro...

How to Fix pgAdmin Server Connection Refused

You're trying to connect to a PostgreSQL server via pgAdmin, but you get a "connection refused" e...

Fix Windows Update Connection Refused When Using VPN

If you see a "connection refused" error when running Windows Update while connected to a VPN, it'...

Fix Windows Activation SSL Certificate Error Not Working

You're trying to activate Windows, but you see an SSL certificate error and activation fails. Thi...

Fix Windows Security Service Unavailable in Windows 11

You open Windows Security and see a red banner: 'Security service unavailable. Restart your devic...