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 list7-Zip 'Cannot Open File as Archive' Error: Malware or Not?
You try to open a file with 7-Zip and get the error 'Cannot open file as archive'. This can happe...
How to Clear Windows Defender Protection History Log
If you've ever opened Windows Security and seen a long list of past threats, you might want to cl...
Fix Chrome Profile Sync Not Working on Mac
You open Chrome on your Mac expecting your bookmarks, passwords, and settings to be synced, but t...
Reactivate Windows After Clean Install Without Product Key
If you've performed a clean install of Windows and can't find your product key, activation may fa...
Fix Chrome Startup Error 'Permission Denied' on Windows and Mac
When you try to open Google Chrome and see an error message like "Permission denied" or a prompt ...
Topic paths
Quick titles
Break the Windows Update Restart LoopHow to Fix npm EACCES Error on macOS and LinuxStop Windows Update from Hogging CPUWindows Activation Configuration Checklist for IT AdminsFix Windows Activation After Hardware ChangeHow to Set Up Multiple User Profiles in ChromeMicrosoft Store Authentication Failed Due to PermissionsTroubleshooting Outlook Search Problems