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FF4 javascript alertbox can't be closed

waltherkb
waltherkb
Posted

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

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

Chosen solution

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).

Read this answer in context 0
  • Question details
    Product Firefox
    System Details
    • Windows Server 2003
    • Firefox 3.6.17

Additional System Details

This happened

Every time Firefox opened

This started when...

The introduction of FireFox 4

Installed Plug-ins

  • VMware Remote Console Plug-in
  • Office Plugin for Netscape Navigator
  • NPRuntime Script Plug-in Library for Java(TM) Deploy
  • Adobe PDF Plug-In For Firefox and Netscape "9.4.4"
  • Default Plug-in
  • Google Update
  • Shockwave Flash 10.2 r159
  • Next Generation Java Plug-in 1.6.0_24 for Mozilla browsers
  • Windows Presentation Foundation (WPF) plug-in for Mozilla browsers

Application

  • User Agent: Mozilla/5.0 (Windows; U; Windows NT 5.2; en-US; rv:1.9.2.17) Gecko/20110420 Firefox/3.6.17 (.NET CLR 3.5.30729)

More Information

Any website using javascript alert popups

Close
cor-el
cor-el
  • Top 10 Contributor
  • Moderator
12001 solutions 111508 answers
Posted

Can you close that box with the ESC key?

Don't you see an OK button?

Can you close that box with the ESC key? Don't you see an OK button?
waltherkb
waltherkb
Posted

Question owner

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

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
cor-el
cor-el
  • Top 10 Contributor
  • Moderator
12001 solutions 111508 answers
Posted

Chosen Solution

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).

Start Firefox in <u>[[Safe Mode]]</u> to check if one of the extensions is causing the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > Appearance/Themes). * Don't make any changes on the Safe mode start window. * https://support.mozilla.com/kb/Safe+Mode * https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes
waltherkb
waltherkb
Posted

Question owner

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

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