→ Your firewall no longer recognizes the updated version of Firefox.

Security software (firewall, AV, etc) is blocking Firefox Here’s a quick answer to why are websites not loading on Firefox: it’s usually because of your firewall Thus, it’s advised to check its settings and make sure that Firefox is allowed to access the Internet.įurthermore, the issue can be linked to your proxy or DNS settings, so you’ll have to adjust them to fix it. Why is Firefox not opening websites after update? Firefox stops loading pages until restart.Hmm, we’re having trouble finding that site Firefox error (If it’s a specific website page that Firefox won’t load, you’re also likely to see the err_cache_miss error.).Firefox not working after update/after Windows update.Firefox can’t load websites but other browsers can (but Chrome does, for example).If your computer or network is protected by a firewall or proxy, make sure that Firefox is permitted to access the web.But first, let’s see what you’re up against. Instead of wondering what is wrong with Firefox lately, you’ll be able to troubleshoot, identify the culprit and act to remove the blocking factor. If you’re also dealing with the Firefox problem loading page, you’re in luck because we’re going to show you a couple of methods that you can use to fix this and get back to browsing. Obviously, you must deal with outdated browser warnings, however, it sometimes turns out that keeping Firefox in check can also cause a fair share of disruption. Firefox problems after update are not uncommon and many users have reported similar situations. If Firefox is suddenly not loading pages, a recent update performed at the browser or operating system level might just be the cause.

Firefox update