This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Firefox doesn’t know how to open this address, because one of the following protocols (itmss) isn’t associated with any program or is not allowed in this contex

  • 1 reply
  • 26 have this problem
  • 2 views
  • Last reply by cor-el

more options

Firefox doesn’t know how to open this address, because one of the following protocols (itmss) isn’t associated with any program or is not allowed in this context. How do I correct this. This come when i try to sign up for apple music

Firefox doesn’t know how to open this address, because one of the following protocols (itmss) isn’t associated with any program or is not allowed in this context. How do I correct this. This come when i try to sign up for apple music

Chosen solution

You would have to install iTunes software that supports this protocol. Firefox checks the Windows Registry to find how to handle a specific protocol and in your case there is no application that can handle the 'itmss protocol

Read this answer in context 👍 7

All Replies (1)

more options

Chosen Solution

You would have to install iTunes software that supports this protocol. Firefox checks the Windows Registry to find how to handle a specific protocol and in your case there is no application that can handle the 'itmss protocol