
Fix Windows Defender Not Starting Due to Dependency Conflict
If Windows Defender won't start and you see an error about a dependency service or group failed t...

If Windows Defender won't start and you see an error about a dependency service or group failed t...

You open Windows Security and see a rate limit error — notifications stop, scans won't start, or ...

You try to activate Windows, but you get a message saying “Rate limit exceeded. Please tr...

You see error 0x8007042c when opening Windows Defender or during a scan. The message usually says...

You try to activate Windows, but you see an error saying it can't connect to the activation serve...

You're migrating an Outlook profile or exporting a PST file, and it hangs at 99% for minutes or h...