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

Fix Windows Update Stuck at Blank Screen During Automatic Repair

You're running Windows Update, and after a restart, the screen goes blank—no cursor, no logo, jus...

Remote Desktop Command Not Found: Setup Checklist

When you type a remote desktop command like xfreerdp or rdesktop and se...

Fix Microsoft Teams Screen Sharing Not Working

You start a meeting, click Share, and nothing happens—or attendees see a black screen. This is a ...

Fix Microsoft Teams Version Mismatch Update Required Error

Understanding the Error

When you see 'version mismatch update required' in Microsoft Team...

Checklist for Fixing Command Prompt Startup Issues

If Command Prompt won't open, closes immediately, or shows an error on startup, the cause is ofte...

How to Fix BitLocker 502 Bad Gateway Error

When enabling or managing BitLocker, a '502 Bad Gateway' error can appear in the management conso...