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

Fix Microsoft Teams SSL Certificate Expired Error

You open Microsoft Teams and see a warning that the SSL certificate has expired. The app may fail...

Fix Windows Activation Error 0x8007232b DNS Name Does Not Exist

When activating Windows, you might see error 0x8007232b with the message “DNS name does not exist...

Fix Microsoft Store Not Opening After Update

After a Windows update, you might click the Microsoft Store icon and see nothing happen—no window...

MongoDB Authentication Failed: Administrator Checklist

Fix Windows Terminal 'Command Not Found' and 'Permission Denied'

You open Windows Terminal, type a command, and see command not found or permis...