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

Remote Desktop Troubleshooting Checklist for Admins

When users can't connect to a remote desktop, the root cause is often something simple. This chec...

How to Fix Git Fatal Repository Not Found Error

Fix Windows Defender Path Not Found Error 0x80070643

When you try to update or run Windows Defender, you might see error 0x80070643 with a message lik...

Fix PuTTY Connection Refused After Server Restart

You restart your server, open PuTTY, and see "Connection refused". This is a com...

Where Windows Defender Stores Its Cache Files

If Windows Defender (now Microsoft Defender Antivirus) won't update definitions, hangs during sca...

How to Fix Windows Update Error 0x80070422

If you see error 0x80070422 when trying to run Windows Update, it usually means Windows can’t con...