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There always seem to be daily issues, "Mozilla Not Responding". We clear out Cookies, Cache, history, etc. throughout the day. We've had to shut it down and restart the computer. Oftentimes, the system just shuts down.

For the last few weeks, we have an unknown popup from Mozilla, "Unable to load XP.com". Not sure what this may be or why this popup suddenly started. We close it and pops up periodically several times in a day. I am attaching a screenshot of the image.

Thanks

Windows 11 update KB5062660 causes Firefox browser to crash immediately after startup 处理器 11th Gen Intel(R) Core(TM) i5-11400 @ 2.60GHz 2.59 GHz 机带 RAM 16.0 GB (15.7 GB 可用) 系统类型 64 位操作系统, 基于 x64 的处理器 笔和触控 没有可用于此显示器的笔或触控输入

2025.07.23 I have installed the update. https://support.microsoft.com/en-us/topic/july-22-2025-kb5062660-os-build-26100-4770-preview-9c5bc200-52b6-4c1a-be70-80df6bbfe9c3 Then the browser cannot start. It manifests as the browser freezing within 3 seconds after startup, showing no response, and then having to choose to exit. I tried to downgrade version 137.0.2, but the problem still persists. After uninstalling this update, the problem was resolved.

When I try to run firefox 141.0 (Linux x64) I get:

libxul.so: undefined symbol: gdk_wayland_device_get_wl_seat Couldn't load XPCOM.

Is there a way to fix this?

I'm using Slackware 14.2.

I'm unsure of what's wrong and when it happened, but I am unable to open Firefox. When trying to open, it briefly shows the blue loading circle on my cursor then stops. I've tried many troubleshooting options and nothing seems to work. It doesn't even open the app in troubleshooting mode. I have also scanned for malware and nothing was found.

firefox lässt sich nicht mehr laden, bricht vorher ab! Bin ein Fan von firefox und möchte dies auch bleiben! Was tun? Auch als Administrator, oder auch nach Neu-Installation bricht der Eistellungsvorgang ab!