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Constantly getting box that says (JavaScript App) uninstal set????

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Every time I open Firefox I get a pop up box that says JavaScript Application uninstal set. Constantly every second. What is this and what can I do to stop it?

Every time I open Firefox I get a pop up box that says JavaScript Application uninstal set. Constantly every second. What is this and what can I do to stop it?

All Replies (3)

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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 add-ons is causing the problem (switch to the DEFAULT theme: Tools > Add-ons > Appearance/Themes).

  • Don't make any changes on the Safe mode start window.

See:

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")
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Thank you sooooooo much. That worked!!

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You're welcome