Fix Windows Defender Module Not Found Error
You open Windows Security and see an error: "Module not found" or "Windows Defender module not fo...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listEdge Browser Troubleshooting Checklist
If Edge is crashing, running slowly, or not syncing correctly, start with this checklist. It cove...
Fix OneDrive File Locked by Office Document Sync Issue
You open an Office file from OneDrive and see an error that the file is locked or in use by anoth...
How to Fix Windows Defender Service Unavailable in Windows 10
If you see 'Windows Defender service unavailable' in Windows 10, the antivirus may be disabled or...
Windows Defender Threat Service Stopped: Step-by-Step Checklist
If you see a notification that Windows Defender threat service has stopped, real-time protection ...
Fix Windows Search Connection Timeout in Windows 10
When Windows Search shows 'connecting...' or times out, your search results may hang or never app...
Topic paths
Quick titles
Chrome Extensions Not Loading: Fix 'Permission Denied' ErrorsOneDrive Selective Sync: How to Choose Which Folders SyncHow to Fix Chrome 504 Gateway Timeout ErrorFix Windows Activation slmgr Access Denied ErrorTask Scheduler Backup Not Triggering? Try These FixesFix BitLocker Not Prompting for Password After RebootWindows Defender Sign-In Loop Fix for Windows 10OneDrive Sync Broken After Update? Fix It Now