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

Fix 504 Gateway Timeout in Windows Security After Update

If you see a 504 Gateway Timeout error when opening Windows Security after a recent update, it us...

Breaking an Outlook Login Loop: Practical Fixes and Tools

You open Outlook, it prompts for your password, you enter it, and the screen flashes—then the pas...

Fix Microsoft Teams Authentication Failed After Password Change

After changing your Microsoft 365 or corporate password, you may see an authentication error in M...

Fix Windows Security DNS Error Caused by Antivirus Conflict

You might see a Windows Security alert about a DNS error after installing or updating a third-par...

PowerShell Command Not Found but Works in CMD

Fix Microsoft Teams SSL Certificate Error on Windows 10

You open Microsoft Teams on Windows 10 and see an error about an SSL certificate. The app may fai...