
Windows Defender Troubleshooting Guide for IT Admins
Windows Defender (Microsoft Defender Antivirus) is the default endpoint protection in Windows 10 ...

Windows Defender (Microsoft Defender Antivirus) is the default endpoint protection in Windows 10 ...

If Windows Search stops returning results, shows errors, or uses high CPU, the search configurati...

You open Task Scheduler and see a task that has been in "Running" status for hours or days. It wo...

You try to open or sync a file in OneDrive and see "Access Denied" with error code 0x80070005. Th...

You change a setting in Chrome—like your default search engine, startup page, or password manager...

If you notice that Windows Security (formerly Windows Defender) is using a lot of memory—sometime...