Fix Windows Security 404 Not Found Permissions Issue
You open Windows Security and see a 404 Not Found error, or the app won't load at all. Often this...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Search Indexing Paused in Windows 10
You open File Explorer or Start menu and search returns no results. Or you check the indexing sta...
How to Fix Microsoft Store ‘Permission Denied’ Error
You try to install or update an app from the Microsoft Store, but you get a ‘Permission Denied’ e...
Fix Microsoft Store 'File Locked' Error When Installing or Updating Apps
When you try to install, update, or launch an app from the Microsoft Store, you might see an erro...
Fix Windows Security Authentication Failed in Remote Desktop
When you try to connect to a remote PC and see "Windows Security" followed by "Authentication fai...
Windows Update Auto Start Troubleshooting Checklist
Windows Update may automatically start at boot or at random times, causing disruptions. This chec...
Topic paths
Quick titles
Fix Microsoft Edge Permission Denied IssueHow to Fix Microsoft Store Proxy Error During SetupWindows Terminal Profiles JSON Syntax FixFix Windows Update Service Permissions: Access Denied ErrorTroubleshooting Windows Terminal SSL Certificate ProblemsWindows Security Log 4672: What It MeansFix 'Windows Defender Module Not Found' ErrorMicrosoft Store High Memory & Error 0x80073cf0 Fix