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

Outlook Authentication Failed After Password Change: How to Fix

You changed your account password, and now Outlook keeps prompting for credentials or shows 'auth...

How to Investigate PowerShell High Memory Usage in Task Manager

If you open Task Manager and see PowerShell consuming hundreds of megabytes or even gigabytes of ...

Fix Microsoft Teams Error Code cxa20001

Error code cxa20001 in Microsoft Teams usually appears when signing in or starting the app. Users...

How to Fix Windows Terminal Connection Timeout

If you're seeing "connection timed out" errors in Windows Terminal, it usually means the terminal...

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...

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