I get a #101 Javascript error in Firefox on my Windows 7 PC. It makes impossible to use Firefox! How can I fix?

JavaScript error preveny = ts me using Firefox!

I finally had to remove all the evidence of Firefox and import bookmarks etc to Chrome. Then do a new download of Firefox 15 and (so far) the problem is not re-appeared. I have no idea what was causing the error, but it came from the home page has been loaded.

Thanks to those who took the time to help! One of the reasons why I used Firefox and its predecessors for 25 years!

Tags: Firefox

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