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 listHow to Fix 'Windows Defender Module Not Found' Error
If you see 'Windows Defender module not found' when trying to open Windows Security or run a scan...
Fix Windows Search Not Finding External Hard Drive Files
You connect an external hard drive, open File Explorer, and see your files. But when you search f...
Fix Windows Update Auto-Start Permission Denied Error
You see a 'permission denied' error when Windows Update tries to start automatically. This often ...
Fix OneDrive Error 0x8004de40: Sign-In Issues
When you try to sign in to OneDrive and see error code 0x8004de40, the app usually stops syncing....
OneDrive Sync Pending: Troubleshooting Checklist
When OneDrive shows "sync pending" for files or folders, it usually means the sync process is que...
Topic paths
Quick titles
Fix Chrome Hanging on Checking for UpdatesFix Microsoft Teams Permission Denied ErrorsFix Windows Search Configuration CorruptionWindows Terminal Config File Location on MacHow to Clear Chrome SSL State to Fix Certificate ErrorsBitLocker Stuck on Loading? Fix Without Recovery KeyChrome Profile Authentication Error on Mac: How to FixFix OneDrive Download Processing Error