Checklists for software errors, setup, and tool workflows.

Fix PuTTY Network Error: Connection Refused on Ubuntu

When you try to connect to an Ubuntu machine using PuTTY and see "Network error: Connection refus...

Microsoft Store 504 Error: Beginner's Troubleshooting Checklist

You open the Microsoft Store and instead of apps, you see a 504 error. This usually means the sto...

Fix Windows Activation Error 0x8004fe22 – KMS Server Issues

If you see error 0x8004fe22 when trying to activate Windows, it usually means your system can't r...

Fix Windows Update Version Mismatch Not Working

You try to install a Windows update but get a version mismatch error. The update fails, and you'r...

How to Set Up Windows Update Memory Limit

If your PC slows to a crawl during Windows Update, it may be because the update process is using ...

Fix VSCode Extension Host Terminated Error Code 0

What does this error mean?

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