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

Fix Command Prompt Auto Start Error 0x80070005

If you've set Command Prompt to run automatically at startup (via Startup folder, Task Scheduler,...

Fix Error 0x80070643 Windows Update Permission Denied

You see error 0x80070643 when trying to install Windows updates, often accompanied by a message a...

Fix Microsoft Teams Connection Timeout and Permission Denied

If you see "connection timeout" or "permission denied" when launching Microsoft Teams, the app ca...

Fix Windows Defender Service Not Starting (Error 404)

If you see error 404 when trying to start Windows Defender, it usually means the service executab...

Fix PowerShell Proxy Authentication Failed Errors

Fix 'PowerShell Command Not Found' on Mac

If you run a PowerShell command on your Mac and see 'command not found', it usually ...