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

Fix Windows Defender Real-Time Protection Crashing on Windows 11

If Windows Defender’s real-time protection keeps turning off or throws an error on Windows 11, yo...

Fix Windows Security DNS Error Permission Denied

You may see a 'permission denied' error when Windows Security tries to access DNS settings. This ...

Fix 'ffmpeg command not found' in Python Script

You run a Python script that calls ffmpeg, and you see ffmpeg command not found. Thi...

Fix Windows Activation DNS Not Resolving Server Name

When Windows fails to activate, the error often points to DNS problems — specifically, the server...

How to Fix PowerShell Module Not Found Error