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

Fix Microsoft Teams 'Permission Denied' When Sharing Screen

When you try to share your screen in Microsoft Teams and get a 'permission denied' error, it usua...

How to Fix BitLocker Connection Refused Setup Error

You're setting up BitLocker and get a 'connection refused' error. This usually happens during net...

How to Reinstall PowerShell to Fix Startup Failure

If PowerShell fails to start or crashes on launch, it can block scripts, automation, and administ...

Fix 'Windows Security Authentication Failed' for Domain Credentials

Check Windows Activation Status via Log Files

If you need to confirm whether Windows is activated or troubleshoot activation errors, the activa...

Fixing Windows Security Connection Timeout Error 0x800705b4

If you see error code 0x800705b4 when opening Windows Security or trying to run a scan, it usuall...