Fix Command Prompt Service Unavailable Error
When you open Command Prompt and see 'Service unavailable' or 'The requested service is unavailab...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Outlook 404 Not Found Error in Microsoft 365
You open Outlook in Microsoft 365 and see a '404 Not Found' page. This usually means Outlook can'...
Fix Windows Defender Error 0x80070422: Cannot Connect
If you see error 0x80070422 when trying to open Windows Defender Security Center, the service is ...
Fix BitLocker Configuration Not Updating Error
You've changed BitLocker settings—maybe turned on encryption for a new drive or modified a Group ...
Fix PowerShell 'Authentication Failed Permission Denied' Error
When PowerShell throws an "authentication failed" or "permission denied" error, it usually means ...
Fix Windows Activation Cannot Connect to Activation Server via CMD
When Windows fails to activate and displays "Cannot connect to activation server," it's usually a...
Issue queue
SitemapWindows Activation Dependency Conflict Fix Checklist
Fix Windows Store Stuck on Pending Download
Fix Can't Connect to Microsoft Servers After Windows Update
Resolve Windows Defender Loading Registry Issue
Fix Visual Studio Installer Stuck on Initializing Screen
Antivirus Causing High CPU in RDP Sessions
Troubleshoot RDP Connection Refused on Network
Fix Windows Security Login Loop Error: Step-by-Step
Resolve Chrome Profile Timeout at Startup
Windows Update Fix Checklist for Enterprise Admins
Resolve Windows Update Configuration Sync Errors
Resolve 'java' Not Recognized Error Windows
Fix Windows Store Stuck on Pending Download
Fix Can't Connect to Microsoft Servers After Windows Update
Resolve Windows Defender Loading Registry Issue
Fix Visual Studio Installer Stuck on Initializing Screen
Antivirus Causing High CPU in RDP Sessions
Troubleshoot RDP Connection Refused on Network
Fix Windows Security Login Loop Error: Step-by-Step
Resolve Chrome Profile Timeout at Startup
Windows Update Fix Checklist for Enterprise Admins
Resolve Windows Update Configuration Sync Errors
Resolve 'java' Not Recognized Error Windows