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How do I get rid of the message "A web page is slowing down your browser, what do you want to do, wait or stop it"?

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Sometimes I get the above message on one of the pages I use frequently,which is usually no big deal I just reload the page and it fixes the problem. But lately when it happens when I get it,it continually spams all the pages I have open with this message,which is annoying,as it takes a full system reset to stop it from doing this. How can I stop it from doing this? It is just a recent problem,and as far as I know it happens regardless of whether my Malware and Virus protection programs (Malwarebytes,Premium Version and AVG) are active or disabled.

Sometimes I get the above message on one of the pages I use frequently,which is usually no big deal I just reload the page and it fixes the problem. But lately when it happens when I get it,it continually spams all the pages I have open with this message,which is annoying,as it takes a full system reset to stop it from doing this. How can I stop it from doing this? It is just a recent problem,and as far as I know it happens regardless of whether my Malware and Virus protection programs (Malwarebytes,Premium Version and AVG) are active or disabled.

All Replies (3)

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”Webpage is slowing down your browser” This is the new way the browser tells you there is a problem with the script program(s). https://support.mozilla.org/en-US/kb/warning-unresponsive-script?cache=no


Go to the Mozilla Add-ons Web Page {web Link} (There’s a lot of good stuff here) and search for a good ad / pop-up blocker.

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Start Firefox in Safe Mode to check if one of the extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) or if hardware acceleration is causing the problem.

  • switch to the DEFAULT theme: "3-bar" menu button or Tools -> Add-ons -> Appearance
  • do NOT click the "Refresh Firefox" button on the Safe Mode start window
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How can I fix the problem: "A web page is slowing down your browser?"