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

Fix 'Windows Defender Not Recognized' Error in Command Prompt

Fix PowerShell 502 Bad Gateway Due to Proxy Configuration

If you're running PowerShell commands that make web requests—like Invoke-WebRequest ...

Fix Chrome Profile Authentication Failed & Sync Not Working

If you see “Authentication failed” in Chrome and sync has stopped working, it usually means a pro...

Fix 'Port Already Allocated' Error When Microsoft Store Won't Open

You try to open the Microsoft Store, but instead of the app window, you see an error message sayi...

How to Fix Remote Desktop Mouse Lag and Input Delay

When you move your mouse in a remote desktop session and the cursor lags or jumps, or when keystr...

Fix Remote Desktop Blank Screen and Disconnect Issues

You connect to a remote desktop, see only a black or blank screen, and then the session drops. Th...