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

How to Change the Default Shell in Windows Terminal

Windows Terminal lets you run multiple shells (PowerShell, Command Prompt, WSL, etc.) in one wind...

Fix Command Prompt Token Expired Not Working

If you see a 'token expired' or 'not working' error in Command Prompt, it usually means an authen...

Fix High CPU Usage by Antivirus Scanning PowerShell

If you notice that PowerShell (powershell.exe or pwsh.exe) is using high CPU, and you have an ant...

Fix PowerShell Remote Connection Refused Error

How to Fix Windows Defender Network Error 0x80070422

When you see Windows Defender error 0x80070422, it usually appears while trying to update or run ...

BitLocker Permission Denied After Motherboard Replacement

After replacing a motherboard, you may see a "BitLocker permission denied" error when trying to a...