Fix PowerShell Service Unavailable Error on Windows
You're running a PowerShell command and get a red error: "Service unavailable". ...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Outlook 'Access Denied to Public Folder' Error
When you try to open a public folder in Outlook and get an 'Access Denied' message, it usually me...
Checklist for Resolving Chrome Profile 504 Timeout
If you're seeing a 504 Gateway Timeout error when Chrome tries to load your profile or sync data,...
Windows Defender Service Troubleshooting Checklist
If Windows Defender won't start, won't update, or shows error messages like "Service stopped" or ...
Windows Update Authentication Failed: Complete Troubleshooting Checklist
When Windows Update fails with an authentication error, it usually means the system couldn't veri...
Troubleshoot 504 Gateway Timeout in Windows Security App
When you open Windows Security (formerly Windows Defender Security Center) and see a 504 ...
Topic paths
Quick titles
Resolving OneDrive Error 0x80070005 with ProxyCheck Windows Activation Status with slmgr.vbs and SettingsImageMagick convert missing on Ubuntu troubleshootingFix PowerShell Blank Screen After Resizing WindowResolve Chrome High CPU from Corrupted User ProfileFix 0x80041321 Task Key Not Found in Windows Task SchedulerHow to Enable Task Scheduler LoggingFix Token Expired Error in CMD