Fix Command Prompt Service Unavailable After Update
After a Windows update, you might see the error "Command Prompt service unavailable"
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Configure KMS Activation for Windows 10
When you need to activate multiple Windows 10 machines in a corporate environment, KMS (Key Manag...
Fix Windows Activation 502 Bad Gateway DNS Error
If you see a 502 Bad Gateway error during Windows activation, it usually means y...
How to Fix Windows Security Slow to Load Settings
If you open Windows Security and the settings page takes a long time to load or shows a blank scr...
OneDrive Token Expired: How to Fix Login Errors
You're working in OneDrive and suddenly get a message that your token has expired. Files stop syn...
How to Fix Windows Defender Error 0x80070422
When you see error 0x80070422 in Windows Defender, the Security Center service or Windows Update ...
Topic paths
Quick titles
How to Fix Chrome Profile Reset Permission DeniedTask Scheduler Credentials Expired FixFix Chrome Network Error: Proxy Settings TroubleshootingFix SSH Host Key Verification Failed in VS CodeFix BitLocker Asking for Recovery Key DailyHow to Resolve Windows Security Path Not Found ErrorHow to Delete Windows Update Cache FilesHow to Download Chrome Standalone Installer Offline