
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 Settings > Activation, and it just spins. No error, no timeout—just a perpetual loading ...

You open Windows Security and see an error message about an invalid configuration, often accompan...

After a Windows update, you might see an error that Windows Defender's security token has expired...

You open Chrome, try to visit a secure site, and see an error like ERR_SSL_PROTOCOL_ERROR

You open Services.msc to check the Windows Activation service and find its startup type set to Ma...