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FF4 javascript alertbox can't be closed

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FF4 javascript alertbox can't be closed

When a javascript alertbox is opened in a site it is not possible to close the alertbox.

1 ACCEPTED SOLUTION

Accepted Solutions
Site Moderator

Re: FF4 javascript alertbox can't be closed

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

4 REPLIES
Site Moderator

Re: FF4 javascript alertbox can't be closed

Can you close that box with the ESC key?

Don't you see an OK button?

New Contributor

Re: FF4 javascript alertbox can't be closed

The ESC key does close the box. I can see the OK button but it doesn't do anything. I noticed this weekend that this problem only seems to occur on a 32 bits Windows XP or Windows 7 and not on 64 bits versions of Windows

Site Moderator

Re: FF4 javascript alertbox can't be closed

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

New Contributor

Re: FF4 javascript alertbox can't be closed

It was indeed caused by an custom Add-on. I notified the developer of this add-on. Thanks very much.