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I am unable to do anything for the last 2 days due to a message I keep getting that says: (Java Script Applications) uninstal set. I click OK and it comes right back. I can't proceed until it is off.

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As soon as I open Firefox the message box pops up. Java Script Applications uninstal set. I have to click on it about 10 times for it to close. Then I can click on one thing and it comes back. I have shutdown my computer and restarted it several times. I don't know how to get rid of this message.

As soon as I open Firefox the message box pops up. Java Script Applications uninstal set. I have to click on it about 10 times for it to close. Then I can click on one thing and it comes back. I have shutdown my computer and restarted it several times. I don't know how to get rid of this message.

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This issue can be caused by an extension that isn't working properly.

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).

If it does work in Safe-mode then disable all extensions and then try to find which is causing it by enabling one at a time until the problem reappears.

  • Use "Disable all add-ons" on the Safe mode start window to disable all extensions.
  • Close and restart Firefox after each change via "File > Exit" (Mac: "Firefox > Quit"; Linux: "File > Quit")

In Firefox 4 you can use one of these to start in Safe mode:

  • Help > Restart with Add-ons Disabled
  • Hold down the Shift key while double clicking the Firefox desktop shortcut (Windows)