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I am unable to change the zipcode on Comcast xfinity tv guide. I tried clearing the cache, didn't help. I can change it on Internet Explorer, but not on firefox. Any ideas?

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I cannot find the option to clear cookies, does that exist on /firefox?

I cannot find the option to clear cookies, does that exist on /firefox?

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Are you logged in to comcast or xfinity on IE, and not in Firefox.