(6) Select and copy the following useragent string to the clipboard (it's all one line): Leave about:config open and switch back to this tab. You should see the preference added in bold. Click OK and enter TEMP or asdf or any text as a temporary placeholder. Then paste the preference name you copied. (5) Right-click anywhere in the preference list area and choose (4) Make sure _specific_overrides is set to its default value of true (or right-click and choose Reset if it is not). (3) In the filter box, type override and pause while the list is filtered Click the button promising to be careful. (2) In a new tab or window, type or paste about:config in the address bar and press Enter. (1) Select and copy the following preference name to the clipboard:

(Note: please visit this post in case this message doesn't come through correctly in email notification.) This takes a minute, but it's pinpointed to one site, so should have the least 'side effects' of any available workaround. We had to do that for US Bank when Firefox 19 first launched, and you could try the same trick with Chase.

Hi Burks126, rather than downgrade Firefox, you can simply 'lie' to Chase's website about your version.

What is mozilla firefox email hack