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

Fix Command Prompt Crashing After Run as Administrator

If Command Prompt opens and immediately closes or freezes when you run it as administrator, you'r...

Fix Windows Defender Not Working After Update

After a Windows update, you might find that Windows Defender (Microsoft Defender Antivirus) is di...

Fix Remote Desktop Gateway Timeout After Update

After a recent Windows update, you may encounter a timeout error when connecting to a remote desk...

How to Fix BitLocker Cannot Connect to Recovery Key

If you see a message that BitLocker cannot connect to the recovery key, your drive is likely lock...

Fix Putty Connection Refused on Port 22

You try to connect to a remote server with Putty on port 22, but you get 'Connection refused'. Th...

Fix 'Permission Denied' When Opening System32 in Command Prompt