How to Fix Windows Security Not Responding
Windows Security (formerly Windows Defender Security Center) may stop responding, hang on launch,...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Chrome 'Cannot Delete Downloaded File: File in Use' Error
When you try to delete a downloaded file from Chrome's download bar or the Downloads page, you mi...
Chrome Invalid Configuration Error on Startup: How to Fix
You open Chrome, and instead of your usual startup page, you get an error message saying somethin...
Fix Outlook Calendar Sync Issues on iPhone
If your Outlook calendar events aren't showing up on your iPhone, or changes you make on one devi...
Fix 'Windows Defender Failed to Start Due to Group Policy' Error
You may see an error saying 'Windows Defender failed to start due to group policy' when trying to...
How to Use the OneDrive Sync Dependency Conflict Repair Tool
If OneDrive stops syncing with errors like "Action needed" or "Sync pending", a dependency confli...
Issue queue
SitemapWindows Security Automatic Restore Setup Guide
Windows Update Stuck on Loading Screen Fix
Windows Defender Registry Access Denied Fix
Remote Desktop 0x607: Troubleshooting Guide
How to Resolve PuTTY Connection Refused After Restart
Troubleshoot Windows Update Failure and Rollback
Task Scheduler Not Running After Server Migration
Chrome Rate Limit Error Not Working: Practical Fixes
Firefox Profile Missing Error Fix
Troubleshoot Microsoft Store Timeout Error
Outlook Won't Load? Try These Steps
Fix 'Windows Update Service Not Running Permission Denied'
Windows Update Stuck on Loading Screen Fix
Windows Defender Registry Access Denied Fix
Remote Desktop 0x607: Troubleshooting Guide
How to Resolve PuTTY Connection Refused After Restart
Troubleshoot Windows Update Failure and Rollback
Task Scheduler Not Running After Server Migration
Chrome Rate Limit Error Not Working: Practical Fixes
Firefox Profile Missing Error Fix
Troubleshoot Microsoft Store Timeout Error
Outlook Won't Load? Try These Steps
Fix 'Windows Update Service Not Running Permission Denied'