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

Fix Chrome Authentication Failed After Password Change

If you changed your Google Account password and now Chrome says "authentication failed" when tryi...

Fix kubectl apply Forbidden on GKE

How to Allow an App Through Windows Defender Firewall

If an app can't connect to the internet or network, Windows Defender Firewall may be blocking it....

How to Fix PowerShell Connection Refused (Port Blocked)

When you try to connect to a remote system using PowerShell remoting (Enter-PSSession, Invoke-Com...

Fix Remote Desktop 404 Not Found with Port Forwarding

When you see a '404 Not Found' error while trying to connect to a remote desktop, it usually mean...

Fix Outlook Invalid Configuration Error During Email Account Setup

When setting up an email account in Outlook, you may see the error “Outlook could not log on. Che...