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

Fix Module Not Found Error in Command Prompt

If you're seeing 'module not found' in Command Prompt, it usually means the system can't locate t...

Windows Security App Not Opening After Update: Fixes

After a Windows update, the Security app may refuse to open—clicking the icon does nothing, or it...

Windows Security Network Error on Windows 10: How to Fix

If you see a 'network error' message in Windows Security on Windows 10, the app can't connect to ...

How to Set Up BitLocker Without a 404 Not Found Error

When you try to enable BitLocker Drive Encryption and see a 404 Not Found error, it usually means...

Fix Windows Activation Command Error 0x80070002