How to Fix Windows Defender Service Not Running
If you see a message that Windows Defender is not running or the security center shows it's off, ...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Fix Windows Search 404 Not Found Error
When you search for a file or app in Windows and get a '404 Not Found' error, it typically means ...
Fix Chrome Profile Rate Limit Error on Mac
If you see a “profile rate limit” error in Chrome on your Mac, it usually means Chrome is trying ...
How to Fix Outlook Update Failed on Windows 10
When an Outlook update fails on Windows 10, you'll usually see an error message like "Update fail...
Fix Remote Desktop File Locked Error 0x80070020
If you get error 0x80070020 when opening or editing a file over Remote Desktop, it usually means ...
How to Fix Windows Security Auto Start Disabled
If you notice that Windows Security (formerly Windows Defender) isn't starting automatically with...
Topic paths
Quick titles
How to Fix Chrome Profile Loading Errors with Cache ClearBitLocker Permission Denied After Motherboard ReplacementResolve Node.js ERR_INVALID_ARG_TYPE Version MismatchHow to Restore Chrome Profile After UpdateHow to Set Up a Chrome Profile for a New UserOneDrive Sign-In Failed After Password Change: How to FixNetwork Drive Not Accessible in Remote DesktopFix Windows Activation High Memory Usage After Update