Fix Windows Security Loading Issue with Built-In Repair Tools
If Windows Security (formerly Windows Defender) won't open or gets stuck on a loading screen, the...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listChrome Settings Not Saving? Here's How to Fix It
You change a setting in Chrome—default search engine, startup page, download location—but the nex...
Fix Microsoft Teams 404 Not Found Error When Loading Apps
You click an app in Microsoft Teams and see a '404 Not Found' page instead of the app loading. Th...
How to Change OneDrive Sync Folder Location on Setup
When you first set up OneDrive, it creates a default sync folder inside your user profile. If you...
Fix Port Already Allocated Error for Windows Update on Windows 10
You try to run Windows Update but get an error message like 'port already allocated'. This usuall...
Microsoft Store Offline Installer Troubleshooting Checklist
When you download a Microsoft Store offline installer (an .appxbundle or .msixbundle file) and tr...
Topic paths
Quick titles
How to Stop Antivirus from Breaking Chrome ConnectionsWindows Activation Error Fix ChecklistTroubleshoot BitLocker Offline Installer Access DeniedFix Windows Terminal Authentication Failure After UpdateWhy Redis Won't Start: Empty Log File FixesResolve OneDrive Permission Denied on File SyncYarn Install Hangs on Resolving Packages TimeoutFix Windows Security DNS Error Caused by Antivirus Conflict