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 Outlook High Memory Usage After Windows 11 Update
After a Windows 11 update, Outlook may start using excessive memory (RAM), causing slowdowns or c...
How to Fix Windows Security Proxy Error
You may see a Windows Security proxy error when trying to access the internet after a network cha...
How to Renew Your Chrome Profile Authentication Token
If Chrome suddenly starts showing authentication errors, asking you to sign in again to Google se...
How to Check Windows Activation Status Using Built-in Tools
When Windows is not activated, you may see a watermark on the desktop, lose access to personaliza...
Microsoft Store Offline Installer: Download and Use Guide
If you need to install Microsoft Store apps on multiple PCs or on a device with limited or no int...
Topic paths
Quick titles
How to Run Disk Cleanup After a Windows UpdateTask Scheduler Stuck: File Locked TroubleshootingResolving Access Denied Error in Chrome ExtensionsDiagnose Network Issues with Command PromptHow to Fix Windows Search Indexing Error 0x80070005How to Resolve 502 Bad Gateway in Windows SecurityHow to Restart OneDrive Sync After an UpdateMicrosoft Store Troubleshooting Guide: Step-by-Step Fixes