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

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...

Create a New Firefox Profile When Your Old One Goes Missing

If Firefox fails to start or you see a message that your profile is missing, it's often due to a ...

Fix PostgreSQL Connection Refused on Port 5432

When you see psql: error: connection to server at ... failed: Connection refused on ...

Fix Microsoft Teams Network Error Permission Denied

You try to sign in or join a meeting in Microsoft Teams, and you see a network error: per...