Re: Firefox 31.8.0: Use of Add-On "HTTPS Everywhere 5.1.2" causes 99% CPU utilization

Tom,

On Sun, 14 Feb 2016 22:49:48 -0600, Tom Brown wrote:

>Lars,
>
>Some additional information, which may or may not be relevant...
>
>I have had a similar problem, on a daily basis, for years. It happens 
>with both FF (31.8.0) and with various versions of Seamonkey, 
>currently  seamonkey-2.28b5r2. I do NOT have "HTTPS Everywhere 5.1.2" 
>installed, either on FF or SM. I have a Tyan S2895 motherboard with 
>dual AMD Opteron 275 CPUs (4 cores total, 2.2 Ghz). 
>
>While running either SM or FF, typically in cnn.com or 
>news.google.com, ONE of the cpus will go to 99.9%, the status line at 
>the bottom of the screen will display "waiting for" some site such as 
>doubleclick.net or another ad site, and the whole system will hang. At
>this point, it is difficult to bring up the window list using Ctrl-Esc
>ahthough it can usually be done eventually. If I wait long enough, I 
>might regain control. Sometimes, I have to C-A-D and kill the browser.
>I can often run another OS/2 app, such as solitaire, PMView, etc. to 
>pass the time while waiting for the browser to get over it's choking 
>fit.
>
>This sounds to me like a different situation from yours, but I would 
>really like to find a solution. 
>
>I have the following add-ons installed in SM:
>
>Adblock Plus 2.6.11
>Chatzilla 0.9.92
>DownloadHelper 4.9.24.1-signed
>Flashblock 1.3.20
>NoScript 2.6.9.37
>Remove Duplicate Messages (Alternate) 0.3.8
>User Agent Switcher 0.7.3.1-signed
>
>If you or anyone else can shed some light on this, please respond!
>
>Thanks!
>

 You might want to give the HOSTS file here a try:
http://winhelp2002.mvps.org/hosts.htm

  It blocks trackers and the like and may help your issue (which I do not see
here). Save your old one (in \MPTN\ETC) in case you want to revert to it.

Regards,

Dave McKenna