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

How to Fix 'PowerShell Command Not Found' in Terminal

When you type a PowerShell command in your terminal and see command not found, it us...

Fix PowerShell Blank Screen with No Cursor

If you open PowerShell and see only a blank window with no cursor (no blinking line), the console...

Fix Windows Command Prompt Blank Cursor Not Showing

You open Command Prompt, type a command, but see no blinking cursor or only a blank rectangle. Th...

Fix Windows Defender Virus Definition Update Failed

You see an error that Windows Defender virus definition update failed. This usually happens when ...

Fix a Corrupted Windows Terminal Configuration File

Windows Terminal stores its settings in a JSON file. If that file gets corrupted—often after a cr...

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...