Fix Command Prompt Service Unavailable Error
When you open Command Prompt and see 'Service unavailable' or 'The requested service is unavailab...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Fix Windows Security Update Failed Errors
You click 'Check for updates' and after a long wait, you see 'Some updates were not installed' or...
Fix Windows Search Error 0x80070490: Version Mismatch
If you see error 0x80070490 when searching in Windows, it usually means a component version misma...
Fix BitLocker Update Error Permission Denied
You try to update Windows, and BitLocker throws a 'permission denied' error. This often happens a...
Windows Defender Offline Scan Not Working: Practical Fixes
You run a Windows Defender offline scan to remove stubborn malware, but the scan either fails to ...
How to Fix 'Windows Update Command Not Found' in Command Prompt
When you type wuauclt or usoclient in Command Prompt and get a 'command...
Topic paths
Quick titles
How to Fix Windows Defender Service Permission DeniedTPM Issues Causing BitLocker Recovery Key FailureRemote Desktop Auto Start Troubleshooting ChecklistChrome Token Renewal GuideHow to Fix OneDrive Sync Slow PerformanceWindows Store Error 0x80073cf9: Step-by-Step Fix ChecklistTroubleshooting Windows 10 Activation Code 0xc004f074How to Resolve Apt Lock Issues on Ubuntu