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Why can't Firefox addons website recognize I'm using Firefox 5?

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New User

Why can't Firefox addons website recognize I'm using Firefox 5?

I have been using Firefox 5 for some months now, but since last week, Firefox addons website doesn't recognize it as Firefox 5. For example, every time I try to install recently updated theme, there is a message saying it is "Not available for Firefox 3.5.8". Even this page where I'm typing my question now, where you say "We've made some educated guesses about your current browser and operating system", Firefox version shows 3.5.8, and Operating system shows Vista, but I'm using Win7. Why is this happening? Can you, please, help me?

1 ACCEPTED SOLUTION

Accepted Solutions
Site Moderator

Re: Why can't Firefox addons website recognize I'm using Firefox 5?

You have or had an extension installed (MegaUpload toolbar|NET_mmhpset) that has changed the user agent.

You have a corrupted user agent that identifies you as Firefox/3.5.8

  • Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.1.8) Gecko/20100202 Firefox/3.5.8 MEGAUPLOAD 3.0

See:

3 REPLIES
Site Moderator

Re: Why can't Firefox addons website recognize I'm using Firefox 5?

You have or had an extension installed (MegaUpload toolbar|NET_mmhpset) that has changed the user agent.

You have a corrupted user agent that identifies you as Firefox/3.5.8

  • Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.1.8) Gecko/20100202 Firefox/3.5.8 MEGAUPLOAD 3.0

See:

New User

Re: Why can't Firefox addons website recognize I'm using Firefox 5?

Thank you, cor-el, that solved it. The useragent was corrupted. Thank you very much.

Site Moderator

Re: Why can't Firefox addons website recognize I'm using Firefox 5?

You're welcome