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

Fix Windows Update Token Expired by Resetting SoftwareDistribution Folder

If you see a Windows Update error mentioning an expired token, the update components may have sta...

OBS Black Screen Troubleshooting Checklist

You launch OBS Studio, start a scene, and the preview shows a black screen. This is one of the mo...

Fix Windows 10 Activation Permission Denied Error

When trying to activate Windows 10, you might see an error like 'Permission denied' or 'Access de...

Reset Windows Defender Settings via Command Line

If Windows Defender is misbehaving—showing false positives, missing updates, or refusing to run—r...

Fix VSCode Extension Host Terminated Error Code 0

What does this error mean?

When you see 'Extension host terminated unexpectedly with erro...

Windows Update 404 Not Found: Practical Checklist

When Windows Update gives you a 404 Not Found error, it usually means the update files are missin...