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

Fix Windows Update Blank Screen with No Cursor

You install a Windows update, reboot, and instead of the login screen you see a blank display wit...

PowerShell Command Not Found but Works in CMD

How to Fix Windows Defender Update Error 0x80070643

If you see error 0x80070643 when updating Windows Defender, it usually means the update failed to...

How to Fix Windows Update Authentication Failed Error

When you see 'Authentication failed' while running Windows Update, it usually means the update se...

BitLocker Troubleshooting: Common Errors and Fixes

BitLocker can fail unexpectedly, leaving you staring at a recovery screen or an error that won't ...

Fix OBS Virtual Camera Audio Sync Issues

If you're using OBS Virtual Camera for Zoom, Teams, or other apps and notice the audio is out of ...