Firefox 34 and Norton Internet Security (Version 21 ff) Don't Like Each Other and It's Not the Toolbar!
I have discovered that Norton Internet Security (and Norton 360 as well) version 21 and after conflicts with Firefox version 33.0 and later. I have been running the latest Firefox 34 version. When I upgraded on two of my computers to the latest version of NIS (version 21) Firefox (version 34) froze; indeed it locked up the entire computer. I therefore installed Google Chrome and everything worked fine. I can reproduce this error with Firefox like the flip of a switch; it is very consistent! The conflict, by the way, does not go away by disabling the Norton toolbar. I want to continue to use Firefox, and not Chrome, but I don't want the browser to freeze the machine. I run Windows 7 Professional. Do you have any suggestions?
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See Norton for help with their products.
This support forum has seen no uptick in the number of Norton / Synmantec issues with Firefox 34, which was released a month ago. In fact it has been relatively calm.
As far as advice goes, run the Norton Live Update, repeatedly if necessary, to make sure that you have the latest versions of their software installed.
I also had the problem of a conflict (freezes and crashes) with Firefox 31, 32, 33, 34 and Norton Internet Security, version 21. This problem is real and so consistent, in fact, that I can turn it t on and off like a switch.
Some added toolbar and anti-virus add-ons are known to cause Firefox issues. Disable All of them.
I will turn off the add-ons with the exception of NoScript which is essential and see how that goes. I will also shut off hardware acceleration.
Here's what I did today that appears to have made a difference:
I opened up Firefox 34 and clicked on Settings-->Advanced-->General and then unchecked the "Use Hardware Acceleration..." So far so good; no freezes or crashes.
Thanks for your help.
Oh... I spoke too soon. I went into my office today and ran Norton 360 (Version 21.6) and Firefox 34.0.5 thinking that all would be well because I shut off Hardware Acceleration. Boy, was I wrong. Norton 360 crashed with the Windows message: "Norton 360 has stopped working; it will be shut down." I immediately shut down the computer (even though someone was actually in my office at the time), rebooted, no longer ran Firefox and did a complete virus scan. All is well if I do not use Firefox 34. And so.... I am going to make my life easier and simply move over to Chrome at least on my office machine. I just don't see any other way out of this predicament. I do this reluctantly because Chrome is much slower than Firefox is especially the way I run it. Firefox 34 and NIS Version 21.6 just don't like each other.
Thanks for your help. It's been a good thread even though I could never figure this out.
Contact Norton Support and tell them you have a problem.
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Oh... I spoke too soon. I went into my office today and ran Norton 360 (Version 21.6) and Firefox 34.0.5 thinking that all would be well because I shut off Hardware Acceleration. Boy, was I wrong. Norton 360 crashed with the Windows message: "Norton 360 has stopped working; it will be shut down." I immediately shut down the computer (even though someone was actually in my office at the time), rebooted, no longer ran Firefox and did a complete virus scan. All is well if I do not use Firefox 34. And so.... I am going to make my life easier and simply move over to Chrome at least on my office machine. I just don't see any other way out of this predicament. I do this reluctantly because Chrome is much slower than Firefox is especially the way I run it. Firefox 34 and NIS Version 21.6 just don't like each other.
Thanks for your help. It's been a good thread even though I could never figure this out.
Needs more help.