How to Enable Windows Defender Service Manually
If Windows Defender won't start or you see warnings that it's turned off, the underlying service ...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Update Error 0x80070005 Caused by Antivirus
You try to install Windows updates and see error 0x80070005, often with a message like "Access de...
Fix Chrome Invalid Configuration Error 0x80070057
If you see "Invalid configuration" with error code 0x80070057 in Chrome, it usually means Chrome'...
Fix Outlook File Locked by Outlook.exe Not Responding
If you see an error that your Outlook data file (.pst or .ost) is locked because Outlook.exe is n...
Fix Outlook 502 Bad Gateway Error After Update
After a recent Outlook update, you might see a '502 Bad Gateway' error when trying to send or rec...
How to Fix BitLocker High Memory Usage
If your system is running slowly and Task Manager shows BitLocker using a lot of memory, you're n...
Topic paths
Quick titles
Troubleshooting Chrome Extension Permission DeniedFix Teams Port Already in Use ErrorTroubleshooting Windows Defender Virus Definition UpdatesWindows Terminal Connectivity Troubleshooting GuideHow to Fix Windows Terminal Proxy Connection ErrorsHow to Set Up PowerShell Execution Policy for ScriptsResolve 'taskschd.msc' Not Recognized as CommandResolve Microsoft Teams Module Not Found Error