Fix Windows Defender Real-Time Protection Grayed Out
You open Windows Security, go to Virus & threat protection, and see Real-time protection is turne...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Enable Remote Desktop in Windows Firewall
If you're trying to connect to a Windows PC remotely but keep getting errors like "Remote Desktop...
Windows Security Troubleshooting Guide
Windows Security (formerly Windows Defender) usually runs quietly in the background, but sometime...
Fix Command Prompt Not Working After Windows Update
After a Windows update, you might click Command Prompt and nothing happens—or it opens and closes...
Fix 'Port Already Allocated' in Windows 10 Task Scheduler
When you run a scheduled task in Windows 10 that uses a network port (e.g., an HTTP listener or a...
Fix Windows Security Error 0x80073b01: Step-by-Step Guide
You try to open the Windows Security app and get error code 0x80073b01. The app may crash or refu...
Topic paths
Quick titles
Lower Task Scheduler RAM UsageTroubleshoot Windows Security Locked File Error 0x80070020Fix Windows Defender Path Not Found Registry ErrorEnable Backup of Chrome Profile for Safe MigrationRemote Desktop 502 Error Fix GuideFix PowerShell Execution Policy on Windows 10How to Find Nginx 404 Error LogsBitLocker GPO Override Not Applying After Reset