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Firefox doesn't know how to open this address, because the protocol (sap) isn't associated with any program. How to specify program for protocol in FireFox Win?

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Firefox doesn't know how to open this address, because the protocol (sap) isn't associated with any program. How to specify associate protocol in FireFox for Windows XP?

Firefox doesn't know how to open this address, because the protocol (sap) isn't associated with any program. How to specify associate protocol in FireFox for Windows XP?

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What is the address you are trying to open that uses this protocol? Is this triggered by some program you have installed?

I read up a little about what the SAP protocol is, and it looks like it's experimental and related to encryption/security: http://en.wikipedia.org/wiki/Session_Announcement_Protocol