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...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Windows Security Blank Screen in Command Prompt
You open Windows Security from Command Prompt and see nothing but a blank window. This can happen...
How to Fix Microsoft Teams 404 Error by Clearing Cache
If you're seeing a 404 error in Microsoft Teams—often when opening a chat, channel, or file—it's ...
How to Install Windows Security Offline Without Internet
If you're setting up a Windows machine that has no internet connection—perhaps a secure lab, an a...
Fix PowerShell High Memory Usage from Modules
If PowerShell is consuming excessive memory, especially after running scripts or importing module...
PowerShell Path Not Found After Update: Fixes
After a Windows update, you might see "The term 'powershell' is not recognized as the name of a c...
Issue queue
SitemapResolve Windows Defender Version Mismatch Error
Task Scheduler Auto Start Fails After Update
Chrome Log File Setup and Troubleshooting Guide
Fix OBS Virtual Camera Audio Sync Issues
Windows 10 Task Scheduler Cache Cleanup Guide
Chrome Profile Module Not Found: Registry Fix Guide
Microsoft Store Permission Denied: No Admin? Try These Fixes
Windows Search Proxy Error Code Troubleshooting
Reset Windows Search Settings to Fix Connection Error
How to Move Outlook Mail to a New Computer
Fix 0x80070422: Windows Defender Service Not Running
Fix Windows Update Version Mismatch Not Working
Task Scheduler Auto Start Fails After Update
Chrome Log File Setup and Troubleshooting Guide
Fix OBS Virtual Camera Audio Sync Issues
Windows 10 Task Scheduler Cache Cleanup Guide
Chrome Profile Module Not Found: Registry Fix Guide
Microsoft Store Permission Denied: No Admin? Try These Fixes
Windows Search Proxy Error Code Troubleshooting
Reset Windows Search Settings to Fix Connection Error
How to Move Outlook Mail to a New Computer
Fix 0x80070422: Windows Defender Service Not Running
Fix Windows Update Version Mismatch Not Working