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Just (re)downloaded firefow 64-bit for W8.1 and now I'm unable to view video on any sight (youtube,, etc) What's the problem?

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  • 1 has this problem
  • Last reply by James

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For the last little while, I've been getting (extremely annoying) pop-up error messages that say "[JavaScript Application]" across the heading bar and "Error" in the text box on certain websites that I frequent which disrupts my ability to view content on the site(s). Because of this happening more and more often, this morning I uninstalled Firefox and reinstalled the 64-bit Beta version for Windows 8.1. Since that time (about an hour ago) I've been unable to access/watch video on any sight (youtube,, etc) When I try to access a youtube video this message appears:

"The connection has timed out The server at is taking too long to respond.

   The site could be temporarily unavailable or too busy. Try again in a few moments.
   If you are unable to load any pages, check your computer's network connection.
   If your computer or network is protected by a firewall or proxy, make sure that Firefox is permitted to access the Web."

I'm a HUGE fan of Firefox, in fact I've haven't used anything else for years (aside from using Explorer to re-download Firefox this morning). This is obviously a big problem though, so how can I fix it?

Thanks for any help you can offer, PG

All Replies (2)

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hello prgc37, you original problem was likely caused by a fault extension that you have installed. can you try to reset firefox and see if this can address the issue...

otherwise such connection issues are also often caused by a firewall/security software which doesn't recognize & therefore blocks new firefox versions. please remove all program rules for firefox from your firewall and let it detect the new version of the browser again. Fix problems connecting to websites after updating Firefox

finally please also update your plugins (flash seems a bit out of date).

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There is no Win64 version of Firefox from whether on Release or Beta channel. You appear to be posting with Win32 Firefox 36.0 as the WOW64 in useragent means it is a 32-bit application on 64-bit Windows

The earliest that there may be Win64 Firefox release is Firefox 37.0 in a first phase.

There are third-party builds and you can build Win64 builds yourself.

36.0a2 was when 36.0 was on Aurora channel and 36.0a1 was when 36.0 was on Nightly channel.

Modified by James