Anyone notice that Firefox has become hella unstable recently? (startrek.website)

submitted 1 week ago by Steve@startrek.website to c/firefox@lemmy.world

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I switched from chrome when ublock stopped working.

All was well for a while but in the past few weeks I’ve had increasing problems with Firefox not loading pages, and if I try the same url in chrome it loads no problem. This happens even with the VPN turned off.

Firefox also has like 3x as many processes as I have tabs open, and task manager fails to kill all of them.

Windows 11.

I could be blaming the wrong programs, who knows. Its getting painful.

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[-] moonpiedumplings@programming.dev 7 points 1 week ago

Might be a bug, so we can troubleshoot to try to figure it out.

If you visit about:processes, is there any website or extension taking up a lot of system resources?

In addition to that, you can try launching firefox in safe/troubleshooting mode. 3 bars in the top right > Help > Troubleshooting mode

This restarts firefox with all addons, extensions, and themes disabled.

For further troubleshooting, also try:

Go to about:profiles, and create and launch a new one. This is a more complete reset, since it also resets all settings, about:config options, and similar.

After creating a new profile, you can play around with rebuilding your current firefox config, adding extensions and changing settings.

this post was submitted on 28 Jul 2026

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