You can then add your extensions back in one-by-one and if you then run into the issue again – remove the last extension that you added. The best way would be the Refresh Firefox option that you also get when prompting the safe mode option, which resets all preferences and removes added extensions and themes. What can I do to see which plugin is the issue? After about half an hour, the computer does start to run more smoothly. For up to about half an hour, the computer is very slow and at times, unresponsive. I always click on the stop script button. You can go ahead and click the Start in Safe Mode button. Everytime I turn on my computer and go on the internet (Firefox), I always get an unresponsive script message. Once you choose to run Firefox in safe mode, you will see a popup like this: Click to enlarge
Unresponsive script firefox 2016 install#
You can download and install our Ultimate Settings Panel program (for free) and run Firefox Safe Mode from there, or you can hold down the Shift key (Windows) or Option key (Mac) while restarting the browser which will launch it into Safe mode. How do I get Firefox to run in Safe mode?
If it works in safe mode then you can assume that one of your plugins is causing the problem. If this does not solve the problem then you can restart your Firefox browser in Safe Mode which will disable all browser plugins.