
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...
Software troubleshooting desk

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

If you're seeing frequent 'database is locked' errors when multiple processes or threads access t...

You may notice high CPU usage from a process called SearchIndexer.exe or RuntimeBroker.exe, even ...

When your Windows PC starts acting sluggish, apps take forever to load, or you run into strange e...

You try to send an email in Outlook, but after a long pause you see an error like “Connection to ...

When Windows Defender (Microsoft Defender Antivirus) locks a file, you typically see an error lik...