Fix Windows Defender Real-Time Protection Grayed Out
You open Windows Security, go to Virus & threat protection, and see that the Real-time protection...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Fix Windows Search Authentication Failed Permission Denied
You click the Start menu or Search bar, type a query, and instead of results you see an error: "A...
How to Install npm Using Command Prompt
If you're trying to install npm using Command Prompt, the most common issue is that npm is bundle...
How to Fix 'File Locked by Another Program' in Windows Security
You try to delete, rename, or move a file and get the error “The action can’t be completed becaus...
How to Reset Windows Defender Settings
If Windows Defender (Microsoft Defender Antivirus) is acting up—won't open, shows error messages,...
How to Fix Windows Security Slow Startup & Disable It
If your Windows PC takes forever to boot and you suspect Windows Security (formerly Defender) is ...
Topic paths
Quick titles
Troubleshooting SSH Timeout in VSCodeWindows Activation Service High CPU FixRemote Desktop Rate Limit Configuration GuideHow to Resolve Error 0x8007000d During Windows ActivationRunning Windows Security on Ubuntu via VMFix Windows Defender High CPU with Malwarebytes InstalledHow to Turn On Remote Desktop on macOSFix Windows Defender Real-Time Protection Turning Off