Fix Windows Defender Not Opening Error 404
You try to open Windows Defender and get an error 404 – the page or resource can't be found. This...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Dependency Conflicts in Microsoft Store on Windows 10
When you try to install or update an app from the Microsoft Store on Windows 10, you might see an...
How to Fix OneDrive Access Denied Error 0x80070005
You try to open or sync a file in OneDrive and see "Access Denied" with error code 0x80070005. Th...
How to Fix Command Prompt Invalid Configuration Error Code
You open Command Prompt and see an error like "Invalid configuration" followed by a code...
Fix Windows Search Service Not Running
If the Windows Search bar is unresponsive, returns no results, or shows an error like "Windows Se...
How to Fix Windows Update Rate Limit Error Not Working
If you see a Windows Update rate limit error and updates are not working, it usually means the up...
Issue queue
SitemapMove Chrome Profile to External Drive Mac
Outlook Repair Tool Stuck Loading: Command Line Fix
Windows Defender Proxy Error Troubleshooting
How to Fix Windows Defender Version Mismatch on Windows 10
Edge Sync Paused: Configuration Fix Guide
Windows Search Not Working? Run the Troubleshooter
How to Break a Task Scheduler Login Loop Without Rebooting
How to Allow WSL Ubuntu Through Windows Firewall
Windows Terminal Not Opening? Try These Fixes
How to Fix Disk Cleanup Windows Update Cleanup Stuck
Find Windows Defender Logs Using Event Viewer
Troubleshoot Slow Microsoft Defender Scans
Outlook Repair Tool Stuck Loading: Command Line Fix
Windows Defender Proxy Error Troubleshooting
How to Fix Windows Defender Version Mismatch on Windows 10
Edge Sync Paused: Configuration Fix Guide
Windows Search Not Working? Run the Troubleshooter
How to Break a Task Scheduler Login Loop Without Rebooting
How to Allow WSL Ubuntu Through Windows Firewall
Windows Terminal Not Opening? Try These Fixes
How to Fix Disk Cleanup Windows Update Cleanup Stuck
Find Windows Defender Logs Using Event Viewer
Troubleshoot Slow Microsoft Defender Scans