Fix Windows Defender 404 Not Found Error on Windows 10
You click to open Windows Defender Security Center and see a 404 page, or the Settings app shows ...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesBitLocker Setup Failed on New SSD: Common Fixes
You've installed a new SSD and want to enable BitLocker drive encryption, but the setup fails wit...
Fix 502 Bad Gateway in Task Scheduler
If you're seeing a 502 Bad Gateway error when a Task Scheduler job runs, it usua...
Fix PowerShell Settings Reset After Windows Update
After a Windows update, you may find that your PowerShell settings—such as execution policy, prof...
Configuring Windows Defender for Ubuntu Dual-Boot Systems
If you dual-boot Windows and Ubuntu, Windows Defender may flag Linux partitions, boot files, or t...
Microsoft Store Permission Denied vs Access Denied: Fixes
When you see an error in Microsoft Store that says either 'permission denied' or 'access denied',...
Issue queue
SitemapFix Jupyter Notebook Token Not Working on Windows
Fix Chrome Profile Sync Issues After Startup
Resolve Disk Cleanup Waiting for Other Updates
BitLocker Cache Clearing Guide for Windows 10
How to Resolve Windows Security Network Error in Windows 10
Outlook DNS Error Fix: Practical Steps
Windows Terminal Change Default Profile Guide
Fix 'Task Scheduler Command Not Found' Error on Windows 11
How to Fix Stuck Windows 10 Updates
Resolve PowerShell Module Load Failure After Path Change
Resolve Ubuntu apt Lock Waiting for It to Disappear Error
How to Fix Update Configuration Error in CMD
Fix Chrome Profile Sync Issues After Startup
Resolve Disk Cleanup Waiting for Other Updates
BitLocker Cache Clearing Guide for Windows 10
How to Resolve Windows Security Network Error in Windows 10
Outlook DNS Error Fix: Practical Steps
Windows Terminal Change Default Profile Guide
Fix 'Task Scheduler Command Not Found' Error on Windows 11
How to Fix Stuck Windows 10 Updates
Resolve PowerShell Module Load Failure After Path Change
Resolve Ubuntu apt Lock Waiting for It to Disappear Error
How to Fix Update Configuration Error in CMD