How to Enable Windows Defender Real-Time Protection via Group Policy
If Windows Defender real-time protection is turned off and grayed out, it's often because a G...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Security App Error 0x80070424
When you open Windows Security or try to run a scan, you might see error code 0x80070424. This us...
Git index.lock File Exists: Quick Fix Checklist
You try to run a Git command and see fatal: Unable to create 'path/.git/index.lock'...
Fix Cloudflare Origin Certificate Permission Denied Error
You've set up a Cloudflare origin certificate on your server, but now you're seeing a ...
Fix Windows Defender Real-Time Protection Not Starting
If you see a yellow warning or a message that real-time protection is off, Windows Defender’s cor...
How to Fix ERR_NAME_NOT_RESOLVED via Router Settings
If you see ERR_NAME_NOT_RESOLVED in Chrome, your browser can't translate the...
Topic paths
Quick titles
Fix Nginx Permission Denied After RestartNginx Redirect Loop TroubleshootingHow to Fix Git Unrelated Histories Error When Merging BranchesChrome Using Too Much Memory? Here's How to Fix ItFix DNS Probe Finished NXDOMAIN on Custom DNS ServerFix Wi-Fi No Internet on Windows 11 Without Restarting RouterResolve pip Externally Managed Environment ErrorFix Chrome Sync Not Working Due to Proxy Settings