For NoScript just click the icon when on a site and choose between Trusted, Untrusted and Temp Trusted. Both add-ons let you easily permit scripts to run on sites you trust. NoScript for Firefox and uMatrix for Chrome block plugins such as JavaScript, Java, Flash and more from running on sites other than those you've expressly allowed them to work on. Unwanted scripts running in your browser can cause all sorts of problems, including hangs and freezes. When you restart your browser you should be offered the chance to restore all previously open tabs.ĭisable unwanted scripts on web pages to stop them freezing your browser Right-click the taskbar, select Task Manager, then select your browser in the list and click End Task.
The easiest way to prevent your browser from using too much memory is to close it down occasionally. If your computer doesn't have that much RAM to begin with, you may find this results in your browser slowing down massively, or crashing frequently. Reduce your browser's memory usageīrowsers consume a lot of memory – especially if you have a lot of tabs open. In the box that opens, click the Restart button. Help menu if you have it displayed), then select 'Restart with Add-ons disabled'. To run Firefox in safe mode, click the 'hamburger' button in the top-right corner and go to Help (or just click the If that stops the crashes, you should be able to narrow down the cause.
If you're not entirely sure that an add-on is to blame for your woes, you can try running your browser in 'safe mode' – that is, without any add-ons and using the default settings. You can disable an add-on by unticking the Enabled box next to it, or remove it entirely by clicking the bin icon for that extension. You can disable or remove any unwanted ones directly from this screen.
Check which add-ons you have installed to see which could be causing the crashes
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