Adobe flash player either hangs or crashes in Firefox

I'm having the same problem and I am also running on a Sony Vaio computer.  However, I am running Windows 8.1 and I agree that this has only become a problem in the past few months.  I've found out that Flash Player is built in on Windows 8, which I suspect means that Microsoft somehow set things up so that you are basically forced to use IE to browse with.  But this is just a suspicion. However, it's curious that we are both running on Sony computers.  I wonder if that has anything to do with things?

Disable Plugin Container. I did it using Method Two in this solution.

How to disable plugin-container | Fluxbytes

Try this, it worked for me Possible Solution to Firefox Hangs or Crashes.

I know I'm kind of late and not sure if we have the same problem. But what seems to have worked for me was disabling my Hardware Acceleration and Smooth Scrolling.

And Just to make sure that those annoying Flash Ads didn't keep freezing my Browser, I installed Adblock Plus - Surf the web without annoying ads! And also https://noscript.net/. Those two things have significantly improved my browsing experience.

>73K views on the original post, and counting.  Is Adobe talking to Mozilla and vice versa?

After realizing this particular issue was taking hours off my life (ie. being, like everyone on this thread, an unpaid beta-tester for this Adobe/Mozilla SNAFU), I swallowed my pride and after more than a decade using Firefox started using IE.  No more crashes.

Just because twitchy update-culture has made downloading glitchy beta-ware the norm doesn't make it acceptable.

I just wanted to add that we recently started getting this issue, too.  It has happened for a few months, but in the past month or so, it has gotten steadily worse.  Today, I finally got fed up and decided to seek some help with it.

I administer about 1900 computers at a community college, and I would say that most of them that have recently been updated have the issue.  It happens in all the browsers, but it seems especially pronounced in Firefox.

The computers mostly have DeepFreeze (by Faronics) installed, so these machines are squeaky clean; any changes get wiped out after reboot.  We do not allow permanent changes to be made by students or staff.

Unfortunately, that cleanliness comes at a price; it doesn't allow me to view crash logs because they get erased after the computer has been rebooted.

Even though I probably can't be much help in diagnosing the issue, I wanted to be sure that Adobe knows that this is -- without a doubt -- an issue now.  I'm just getting around to saying something now because it has simply become unbearable.  I will consciously avoid Web sites (like Facebook, in particular) that have Flash content simply because it causes some many issues now.  I really hope Adobe is taking this seriously and trying to find the issue.  In the 8 years that I've been in IT, I don't think I've seen Flash player ever crash this frequently, especially in otherwise stable browsers like Firefox.  I suppose it could be an issue with Firefox or even an issue affecting both Firefox and Flash player.

In any case, I hope it gets fixed.

I have been suffering from ridiculously frequent Flash crashes (absolutely MADDENING) in Firefox every since I updated to Windows 8.1 (within the last month).  I tried every solution posted on the net I could find (updated Flash, reset Firefox, disable protected mode, etc).  Absolutely nothing worked.

FINALLY, the solution for me was to disable Firefox plug-in container.  Instructions can be found here: How to disable plugin-container | Fluxbytes

(I am running Windows 8.1, Firefox 33 ,and Flash 15 plugin).

Hope this solution works for some of the rest of you!

I have the problem the original poster and many others have.

FACT: Pages using many flash applets and videos on the same page will hang in any browser we have on any machine. For example try any big newspaper (Chicago Sun Time, Miami Herald, etc.) or similar ad-infested site. I do not know if this is a RAM or processor related issue, could be, but sometimes too much is just too much for any processor. One of those papers is running two videos, four ads, and attempting to render a pop-up all at the same time. 8 GB and it doesn't seem enough.

THEORY: There is no problem with either the browsers or Flash. The problem is with the IMPLEMENTATION of flash (and java, for that matter) on web pages.

Now when I get to pages like these, I simply close my browser tab and make a mental note not to ever visit them again. It's a shame because some of them are pretty good. But 3 videos 4 flash ads and a couple of pop-ups (along with tracking cookie) at the same time will slow down any system. It's like trying to turn your monitor into a 12 compartment PIP screen as well. Graphics use up all this mega power we have.

I signed up for this forum just to give my 2 cents on this question, we have been searching a better solution but see none exist.

Don't even dare to reset firefox, this is google and youtube play evil, and with some adobe incompetency.

It seems to be the same problem for me.

My new computer since last summer: Windows 8 x64, 4770K, HD6950, Firefox last version, Flash last version...

And, at almost every Firefox launch (and always after reboot), while Firefox begins to load all my open tabs (~150), Flash container is loop-crashing. So I close Firefox, I launch Flash installer and reinstall it, and relaunch Firefox. Every day. I even put a shortcut to the Flash installer in my desktop because it is a routine now...

If after a reboot, I try to be smart and reinstall Flash before launching Firefox... it won't work. I need to launch Firefox, let Flash crash one time, then close it and reinstall. It is not firefox-linked, because I tried with an other browser (not sure of that but I can retry).

So quickfix : reinstall Flash each time. Hope for a real fix.