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Why am I getting so many Unresponsive Script messages?

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I am getting constant Unresponsive Script messages that are slowing down Firefox to the point of uselessness. It doesn't matter if I click "Continue" or "Stop Script." They constantly recur and slow the browser down. This has happened since the last update. Example posted in image.

I am getting constant Unresponsive Script messages that are slowing down Firefox to the point of uselessness. It doesn't matter if I click "Continue" or "Stop Script." They constantly recur and slow the browser down. This has happened since the last update. Example posted in image.

All Replies (4)

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Sorry, your screen shot did not come through. You can try attaching it to a reply to yourself, https://support.mozilla.org/questions/1069129

Do you notice any pattern of what URLs appear in the dialogs? For example, internal URLs starting with chrome:// or resource://, or scripts in the site itself? If you see a lot of internal URLs, look for anything in the path that might indicate a particular extension is involved. Something might have changed in Firefox that created a compatibility issue.

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I uploaded the screenshot. Occasionally I get another identical script warning, with the address ending in 61 or 49.

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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
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It's frustrating that the entire address isn't shown. When I search that last part:

data/jquery-highlight1.js

I find threads about script errors with an extension named Greenhouse. Try updating or disabling it on the Add-on page. Either:

  • Ctrl+Shift+a
  • "3-bar" menu button (or Tools menu) > Add-ons

In the left column, click Extensions. Then:

  • To update, click the "gear" button above the list and "Check for Updates"
  • If no updates are available, find that extension and click its Disable button

Often a link will appear above a disabled extension to restart Firefox. You can complete your work on the tab and click one of the links as the last step.

Any improvement?