Fix Windows Security Service Not Running for Antivirus
If Windows Security shows 'Service not running' or your antivirus isn't working, the underlying s...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Activation Update Stuck Error
You try to update Windows, but the update hangs or fails with an activation error. The update may...
How to Fix Windows Defender Blank Screen Issue
If you open Windows Defender (now called Windows Security) and see only a blank white or black sc...
Windows Update Stuck at 100% Loading but Not Installing: How to Fix
You've waited for the update to reach 100%, but it just sits there—not installing, not erroring. ...
Fix Windows Activation 502 Bad Gateway Network Error
When activating Windows, you may see a "502 Bad Gateway" network error. This usually means the ac...
Fix Microsoft Store High CPU Usage & Permission Denied Errors
You launch the Microsoft Store and notice your CPU usage spikes, or you get a 'Permission Denied'...
Topic paths
Quick titles
Fix Windows Search Service Won't Start on BootOneDrive Not Syncing All Files? Try These FixesRemote Desktop Port 3389 Stuck After UpdateWindows Defender High Memory Usage: Error 0x80070002 FixWindows Update 504 Gateway Timeout TroubleshootingPowerShell Log File Troubleshooting: Step-by-Step GuideFix Delayed or Missed Task Scheduler TriggersHow to Fix Command Prompt Service Unavailable Error