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Have upgrade to 5.0 and now when I load some websites I'm getting javascript application assert failure warning - what is wrong

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  • 3 have this problem
  • 2 views
  • Last reply by cor-el

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Since upgrading to Firefox 5.0 certain websites return an error message. Javascript application is the heading and Assert failure the message. I have found on some sites that where information is being uploaded that the page stalls until the refresh button is clicked.

Since upgrading to Firefox 5.0 certain websites return an error message. Javascript application is the heading and Assert failure the message. I have found on some sites that where information is being uploaded that the page stalls until the refresh button is clicked.

Chosen solution

Clear the cache and the cookies from sites that cause problems.

"Clear the Cache":

  • Tools > Options > Advanced > Network > Offline Storage (Cache): "Clear Now"

"Remove Cookies" from sites causing problems:

  • Tools > Options > Privacy > Cookies: "Show Cookies"

Start Firefox in Diagnose Firefox issues using Troubleshoot Mode to check if one of the extensions is causing the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > Appearance/Themes).

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All Replies (3)

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Chosen Solution

Clear the cache and the cookies from sites that cause problems.

"Clear the Cache":

  • Tools > Options > Advanced > Network > Offline Storage (Cache): "Clear Now"

"Remove Cookies" from sites causing problems:

  • Tools > Options > Privacy > Cookies: "Show Cookies"

Start Firefox in Diagnose Firefox issues using Troubleshoot Mode to check if one of the extensions is causing the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > Appearance/Themes).

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Thank you for your help. Clearing the offline storage(cache) solved the problem.

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You're welcome