Checklists for software errors, setup, and tool workflows.

Fix CMD Service Unavailable Due to Group Policy

Situation

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

Chrome DNS Error: How to Reset Network Settings

If Chrome shows a DNS error like "DNS_PROBE_FINISHED_NXDOMAIN" or "ERR_NAME_NOT_RESOLVED", it usu...

Fix 'Port Already Allocated' Error in Chrome via Command Line

You start Chrome from the command line and get an error that the port is already allocated. This ...

How to Fix Outlook '404 Not Found' When Opening Email Attachments

When you click an attachment in Outlook and see a '404 Not Found' error, it usually means the fil...

How to Reset VSCode Terminal Settings to Default

If your VSCode terminal is behaving oddly—wrong shell path, missing colors, or commands failing—r...

How to Fix Remote Desktop Connection Refused After a Windows Update

After a recent Windows update, you might see "Remote Desktop Connection Refused"...