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

Checklist to Clear and Rebuild Windows Update Cache

Windows Update can get stuck or fail with errors like 0x80070002 or 0x8024401c when the update ca...

Fix 'Access Denied' Windows Update Errors via Group Policy

You click "Check for updates" and get an "Access Denied" message. This often happens because a Gr...

Fix NVM Not Found in Git Bash on Windows

Microsoft Store Not Working? Try These Fixes

When the Microsoft Store won't open, shows error codes, or fails to download apps, it's usually d...

How to Re-enable Windows Defender Real-Time Protection

If you've disabled Windows Defender real-time protection—perhaps to run a specific tool or becaus...

How to Fix OBS Black Screen on Mac

If you see a black screen in OBS when trying to capture your display or a specific window on Mac,...