Knowledge base for software setup, errors, and daily tool work.

How to Fix Windows Defender Version Mismatch on Windows 10

You might see an error saying Windows Defender has a version mismatch, or the app won't open beca...

Fix VSCode Remote SSH Permission Denied for Known Hosts

You're trying to connect to a remote server via VSCode's Remote - SSH extension, but you get a 'p...

Reset Microsoft Store Using wsreset Command

Fix Windows Activation Sync Issues Between Devices

You might see an activation error on a second PC even though your Microsoft account shows a valid...

Fix 'Command Prompt Not Found' Error After Windows Update

After a Windows update, you might see a '404 not found' error when trying to open Command Prompt,...

Outlook 502 Bad Gateway: Troubleshooting Checklist

If you see a 502 bad gateway error in Outlook, it usually means the server gateway is misconfigur...