Command Prompt Service Unavailable: Troubleshooting Checklist
When you open Command Prompt and see 'Service unavailable' or 'The requested service is not avail...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Update Error 0x80070643 Installation Failed
You see error 0x80070643 when trying to install a Windows update, and the setup fails partway thr...
Fix Jupyter Notebook Token Not Working on Mac
You launch Jupyter Notebook on your Mac, see the token URL in the terminal, copy it into your bro...
How to Fix Remote Desktop Permission Denied Error
You try to connect to a remote PC using Remote Desktop (RDP) and get an error like "The connectio...
How to Fix Outlook 502 Bad Gateway Error in Outlook 2019
If you see a '502 Bad Gateway' error in Outlook 2019, it usually means your email server or a pro...
How to Fix Remote Desktop Connection Not Working
You try to connect to a remote PC but get an error, a black screen, or nothing happens. This is c...
Topic paths
Quick titles
Remote Desktop Timeout Fix: Registry Settings GuideFix Slow Network Drive Access in PowerShellWindows Update Permission Denied Error: Step-by-Step FixHow to Fix Nginx Port Conflict in Docker ComposeLost BitLocker Key and No Microsoft Account: What to DoSet Up DNS for Remote Desktop on Windows 10Resolve Permission Denied When Setting Command Prompt to Run at StartupUsing Command Prompt for Network Troubleshooting