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

Fix Windows Update Service After Antivirus Install

You installed a new antivirus program, and now Windows Update won't run. The service might be dis...

Fix 'Access Denied' When Running PowerShell Scripts

If you see Access Denied or UnauthorizedAccess when running a P...

Fix Microsoft Teams Microphone Not Detected in Windows

Common Causes

Fix Windows Update Error 0x80070570: Permission Denied

When updating Windows, you might see error 0x80070570 with a message about insufficient permissio...

Fix Nginx 404 Not Found After Changing Root Directory

After updating the root directive in your Nginx server block, you might start seeing...

Fix Windows Terminal DNS Error 0x80072746

If you see error 0x80072746 when opening Windows Terminal, it usually means the terminal cannot r...