Each time I go to a new page, I get an error that pops up that states "uninstal set" over and over. It asks me to hit "ok" to get rid of the pop up. At the top of the box it says JavaScript Application. How do I get rid of this?
This started happening after I attempted to download FileZilla. I uninstalled FileZilla to see if that would help and it does not. I also tried uninstalling Firefox and reinstalling but that did not help.
This started happening after I attempted to download FileZilla. I uninstalled FileZilla to see if that would help and it does not. I also tried uninstalling Firefox and reinstalling but that did not help.
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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).
- Don't make any changes on the Safe mode start window.
- https://support.mozilla.com/kb/Safe+Mode
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)