Fix Command Prompt Service Unavailable on Windows 11
When you try to open Command Prompt on Windows 11 and see 'Service unavailable' or a blank window...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listSet Up Outlook Proxy for Exchange: Step-by-Step
When Outlook can't connect to Exchange, a misconfigured proxy is often the culprit. This guide wa...
Configure Windows Update to Trust a Custom SSL Certificate
If you manage Windows updates in an enterprise environment, you may need to use a custom SSL cert...
Fix 'Service Unavailable' for PowerShell on Windows 10
You open PowerShell on Windows 10 and see an error like "Service Unavailable" or "PowerShell is n...
Fix Windows Defender Offline Scan Not Working on Windows 10
When Windows Defender offline scan fails to start or complete on Windows 10, you might see an err...
Microsoft Store Failed to Start: Step-by-Step Checklist
If Microsoft Store won't start, you're not alone. This checklist walks through the most common fi...
Topic paths
Quick titles
Outlook PST File Path Missing Repair GuideHow to Fix Windows Security Access Denied on StartupResolve Windows Defender Error 0x800705b4Fix Windows Terminal 0x80070005 Authentication ErrorHow to Configure OneDrive for Reliable SyncingDisable Windows Defender Real-Time Protection PermanentlyWindows Terminal PowerShell Troubleshooting GuideFix Microsoft Store App Not Installing Due to Dependency Conflict