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why does firefox ignore the exceptions I entered and disallow pop ups from sites that I have listed to be "allowed"

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sometimes the pop up blocker allows the exceptions I have listed but most of the time it does not. Is there any way to fix it so that it always allows the exceptions?

sometimes the pop up blocker allows the exceptions I have listed but most of the time it does not. Is there any way to fix it so that it always allows the exceptions?

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Installed Plug-ins

  • Nielsen FirefoxTracker Plug-in
  • npAPI Plugin
  • npAPI Ghost Plugin
  • Shockwave Flash 11.5 r502
  • npsitesafety
  • MindSpark Toolbar Platform Plugin Stub for 32-bit Windows
  • Coupons, Inc. Coupon Printer Plugin
  • Coupons, Inc. Coupon Printer DLL
  • Adobe Shockwave for Director Netscape plug-in, version 11.6.8.638
  • Next Generation Java Plug-in 10.9.2 for Mozilla browsers
  • Google Update
  • NPRuntime Script Plug-in Library for Java(TM) Deploy
  • Adobe PDF Plug-In For Firefox and Netscape 10.1.4
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  • RealJukebox Netscape Plugin
  • RealNetworks(tm) RealPlayer Chrome Background Extension Plug-In
  • RealPlayer(tm) HTML5VideoShim Plug-In
  • RealPlayer(tm) LiveConnect-Enabled Plug-In
  • RealPlayer Download Plugin
  • 5.1.10411.0
  • iTunes Detector Plug-in
  • GEPlugin
  • Adobe Shockwave for Director Netscape plug-in, version 11.5.9.620
  • NPWLPG

Application

  • User Agent: Mozilla/5.0 (Windows NT 6.1; rv:17.0) Gecko/20100101 Firefox/17.0

More Information

cor-el
  • Top 10 Contributor
  • Moderator
12762 solutions 117255 answers

It is possible that you run into this pop-up maximum (the default value is 20).

Start Firefox in Safe Mode to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance).

  • Do not click the Reset button on the Safe mode start window or otherwise make changes.
It is possible that you run into this pop-up maximum (the default value is 20). * http://kb.mozillazine.org/dom.popup_maximum *http://kb.mozillazine.org/about:config Start Firefox in <u>[[Safe Mode|Safe Mode]]</u> to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance). *Do not click the Reset button on the Safe mode start window or otherwise make changes. *https://support.mozilla.org/kb/Safe+Mode *https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes

Question owner

I have not exceeded 20...and most of the time it acts like there is no "exceptions" list at all...but once in a while it works correctly.

I have not exceeded 20...and most of the time it acts like there is no "exceptions" list at all...but once in a while it works correctly.
cor-el
  • Top 10 Contributor
  • Moderator
12762 solutions 117255 answers

Did you try Safe mode?

Firefox usually doesn't block pop-ups, especially if you allow them, but extensions and some security software can block pop-ups.

Did you try Safe mode? Firefox usually doesn't block pop-ups, especially if you allow them, but extensions and some security software can block pop-ups.

Modified by cor-el