Fix Windows Defender 404 Error in Command Prompt
When you try to run Windows Defender commands from Command Prompt and get a '404 Not Found' error...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix OneDrive Sync Update Error 0x8004de40
You see error 0x8004de40 when OneDrive tries to sync or update. The error usually means a credent...
Fix Windows Activation 502 Bad Gateway Due to Proxy Settings
If you see a "502 Bad Gateway" error when trying to activate Windows, the problem is often a misc...
Fix Windows Terminal Startup Folder Not Working
You set a custom startup folder in Windows Terminal, but it keeps opening to the default location...
Fix BitLocker Cannot Connect to Windows Hello Error
You may see the error 'BitLocker cannot connect to Windows Hello' when trying to set up or manage...
Fix Windows Update Sync Between Devices
If you manage multiple Windows devices and notice that update settings or installed updates aren'...
Topic paths
Quick titles
Troubleshoot OneDrive Offline Installer Sync IssuesRestore Default Security Settings in Windows 10/11Fix Docker Compose 'Port Already Allocated' for NginxFix Access Denied Errors When Opening Windows Terminal Log FilesHow to Reactivate Windows After Changing Motherboard or CPUHow to Fix Windows Activation Network ErrorPostgreSQL Connection Issues: Refused and DeniedTroubleshooting 502 Bad Gateway with Nginx and RDP