bonjour fails to load into the local security authority

Hi Humberto,

Thank you for sharing your question. I understand that annoying Bonjour error you're seeing after your computer starts up. I get why it's frustrating, especially if you use Bonjour for iTunes or other Apple stuff. I am here to here.

What's likely happening is that Windows 11 has upped its security game, and it's blocking older parts of programs, like Bonjour, from getting into a secure area. Think of it as Windows being extra careful about what it lets in. It's not automatically a sign that something bad is going on.

Basically, Bonjour's files might not be up to Windows' latest security standards. So, Windows is stopping them from loading to keep your system safe.

To fix it, try repairing or reinstalling Bonjour or iTunes from the Microsoft Store or Apple's website. That should give you the newest version that plays nice with Windows. If you don't actually need Bonjour, you can just get rid of it in Settings > Apps > Installed Apps. That'll stop the error, but things like Home Sharing or Wi-Fi syncing might not work anymore. Another way is to disable the Bonjour service. Type services.msc into the search bar, find Bonjour Service (mDNSResponder), set it to Disabled, and restart your computer.

As a last thing, you could turn off the LSA protection in Windows Security > Device Security > Core Isolation Details, but I wouldn't recommend it. It makes your system less secure.

May I also ask did updating or reinstalling fix the problem? Let me know how it goes after you try those things, and we can figure out what to do next if needed.

I hope this helps.

Best Regards,

Noel

The error message indicating that Bonjour fails to load into the Local Security Authority (LSA) may be related to issues with the LSASS process or network authentication. While the specific context of Bonjour is not covered in the provided documents, there are related issues with LSASS that could provide insight into similar problems.

For instance, if the LSASS process is not responding, it can prevent users from signing into a domain controller, which may lead to various authentication errors. Additionally, if there are network issues or misconfigurations affecting secure connections, it could also impact services relying on LSA for authentication.

To troubleshoot this issue, consider checking the event logs for any related errors or warnings that might indicate the root cause of the problem. You may also want to ensure that your system is updated and that any necessary services are running properly.

References:

• Can't sign in to a domain controller, and the LSASS process stops responding