Fix Windows Defender 404 Error in Command Prompt
When you try to run Windows Defender commands from Command Prompt and get a '404 Not Found' error...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesHow to Fix Microsoft Store Not Starting Automatically After Login
If you expect the Microsoft Store to launch when you log into Windows but it doesn't, you're not ...
Fixing PowerShell Update Error 0x800f081f (DISM Source Files)
If you see error 0x800f081f when installing a PowerShell update via Windows Update o...
Fix Windows 10 Product Key Not Working on Mac Boot Camp
If you've installed Windows 10 on a Mac via Boot Camp and your product key isn't accepted, you're...
Fix Chrome Profile Connection Refused Error
When you see a 'connection refused' error while trying to open a Chrome profile, it usually means...
Fix Windows Defender Proxy Error 0x80070422
If you see error 0x80070422 when opening Windows Defender or running a scan, it usually means the...
Issue queue
SitemapHow to Fix Chrome Profile Sync Connection Refused
How to Resolve Windows Terminal Dependency Issues
Troubleshooting Task Scheduler 502 Gateway Error
Checklist for RDP SSL Certificate Problems
Troubleshooting Windows Security File Lock Issues
Windows Search Permission Denied Error CPU Fix
PowerShell Network Error: Access Denied – How to Fix
Docker MySQL Connection Refused: Step-by-Step Fix
BitLocker Migration from Windows 10 to Windows 11: Practical Steps
Troubleshooting OneDrive File Sync Issues
Fix ERR_TUNNEL_CONNECTION_FAILED in Chrome on Mac
PowerShell 404 Error: Causes and Fixes
How to Resolve Windows Terminal Dependency Issues
Troubleshooting Task Scheduler 502 Gateway Error
Checklist for RDP SSL Certificate Problems
Troubleshooting Windows Security File Lock Issues
Windows Search Permission Denied Error CPU Fix
PowerShell Network Error: Access Denied – How to Fix
Docker MySQL Connection Refused: Step-by-Step Fix
BitLocker Migration from Windows 10 to Windows 11: Practical Steps
Troubleshooting OneDrive File Sync Issues
Fix ERR_TUNNEL_CONNECTION_FAILED in Chrome on Mac
PowerShell 404 Error: Causes and Fixes