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

Fix Microsoft Teams Stuck on Loading Black Screen

When Microsoft Teams gets stuck on a black screen during startup, the app window may show nothing...

Fix GitHub Actions Cache Action Permission Denied Error

How to Fix High PowerShell Memory Usage After Closing

You close PowerShell, but your system monitor still shows it using a lot of memory. This can slow...

How to Fix Windows Update Error 0x80070643

You try to install the latest Windows updates but get error 0x80070643. This usually means the up...

Fix Microsoft Teams File Locked Permission Denied

When you see "file locked" or "permission denied" in Microsoft Teams, it usually means another us...

Fix Remote Desktop Login Loop via Registry and Terminal Services

If you’re stuck in a remote desktop login loop—where you log in and are immediately logged out or...