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 listHow to Configure Windows Defender Log File Size Limit
Windows Defender (Microsoft Defender Antivirus) writes operational logs that can grow large over ...
Fix: Microsoft Store Startup Type Not Available in Services
You open the Services console (services.msc) to adjust the Microsoft Store startup type, but the ...
Fix DNS Server Not Responding Using Command Prompt
When you see a "DNS server not responding" error, your browser can't translate domain names into ...
Windows Defender Configuration Settings Guide
Windows Defender (now Microsoft Defender Antivirus) is the built-in security solution for Windows...
BitLocker Setup: Fixing 502 Bad Gateway Errors
You're trying to set up BitLocker on a Windows machine, but the management console or recovery ke...
Topic paths
Quick titles
How to Stop Task Scheduler from Using Too Much CPUFix 0x80070422: Windows Defender Real-Time Protection Not StartingTroubleshooting OneDrive Error Code 0x80070194Resolve DNS Error in Task Scheduler SetupHow to Resolve Localhost Connection Refused in Windows TerminalHow to Fix Windows Activation Authentication Failed ErrorHow to Resolve Teams Module Missing on Windows 10PowerShell Offline Setup Steps