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

Fix Microsoft Teams Mic Not Working with External Microphone

You plug in an external microphone, but Microsoft Teams still won't pick up your voice. This is a...

Best Windows Activation Settings After Hardware Change

If you've recently replaced a motherboard, CPU, or other major hardware, Windows may deactivate a...

Fix Microsoft Store Connection Refused Error

When you open Microsoft Store and see 'Connection refused' or a similar network error, it usually...

How to Fix '404 Not Found' File Path Errors in CMD

Fix 504 Gateway Timeout with Windows Security Firewall

If you're seeing a 504 Gateway Timeout error on a Windows machine, the Windows Security firewall ...

PowerShell Not Opening on Windows 10: Quick Fixes

If PowerShell won't open on Windows 10—no window appears, it flashes and closes, or you get an er...