
Troubleshoot Windows Defender Using Log Files: A Checklist
When Windows Defender stops updating, fails to scan, or blocks legitimate files, the built-in log...

When Windows Defender stops updating, fails to scan, or blocks legitimate files, the built-in log...

You try to activate Windows but get an error saying you've exceeded the activation limit or a gen...

You try to open a folder in Outlook—Inbox, Sent Items, or a custom folder—and get an “Access Deni...

You might see a warning that Windows Defender can't update because of an SSL certificate error. T...

When you try to share your screen in Microsoft Teams and nothing happens—or participants see a bl...

If your Windows Security (formerly Windows Defender) virus scan takes forever or slows down your ...