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 ...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listBitLocker Best Settings and Fix for Error 0x8031004a
If you're seeing BitLocker error 0x8031004a, it usually means the Trusted Platform Module (TPM) i...
Microsoft Store Setup Guide for Windows 10
If you're new to Windows 10 or the Microsoft Store isn't working as expected, this guide covers i...
Fix npm ERR! code EACCES on Windows 10: Permissions Guide
If you see npm ERR! code EACCES while installing or updating packages on Windows 10,...
Fix Chrome Profile Not Loading on Startup
You open Chrome and instead of your usual bookmarks, extensions, and history, you get a blank pro...
Fix High PowerShell Memory Usage in Windows 10
If you notice that PowerShell is consuming a large amount of memory (say, over 500 MB or more), i...
Topic paths
Quick titles
Outlook Stuck Loading at Startup? Try These FixesFix Windows Search Indexing Stuck or FrozenWindows Update Dependency Conflict TroubleshootingFix Chrome 'Permission Denied' Errors: Step-by-Step GuideHow to Fix BitLocker Stuck on Loading ScreenWindows Defender UI Not Loading After UpdateWindows Search Not Working? Step-by-Step FixesTeams Error 0x80070426: Microphone Not Working