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

Sync Windows Updates with Ubuntu Dual Boot

If you dual-boot Windows and Ubuntu, you might notice that after booting into Ubuntu, the time in...

Fix Windows Defender Access Denied Registry Error

When you try to modify certain registry keys related to Windows Defender, you may see an 'Access ...

Fix Windows Security Errors After Update

After a Windows update, you might see a yellow warning or red banner in Windows Security saying s...

Fix Windows Activation DNS Not Resolving Server Name

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

Fix OBS Black Screen with No Source Detected

If you're seeing a black screen in OBS and the message 'No source detected,' you're not alone. Th...

BitLocker Recovery Key Not Accepted: Fix Authentication Failed Error