Firefox Community Forum

Hi, I have a brand new macbook air and wanted to install my preferred browser, Firefox, but after installation Firefox will not launch. I’ve tried to install version 133.0.3 and when I try to launch it, Firefox always freezes and show 'Firefox (not responding)'. I have restarted my mac, reinstalled Sequoia OS, uninstalled/redownloaded/reinstalled, and I cannot get Firefox to launch, ever. Safari (built in) and DuckDuckGo (new install) browser both work.

Please let me know what I can try to do to get Firefox working.

This issue is about two executables in C:\Program Files\Mozilla Firefox:

• firefox.exe, which starts Firefox, and
• private_browsing.exe, which starts Firefox in Private Browsing mode.

If you start firefox.exe while private_browsing.exe is running, it restores the last session. I have been experiencing this issue for about a year.

Steps to reproduce:

• Start firefox.exe.
• Open x.com instead of your home page, and xe.com on a second tab.
• Exit Firefox (Alt+F4).
• Start private_browsing.exe.
• Start firefox.exe.
• Actual result: Three tabs are opened: x.com, xe.com, and your home page.
• Expected result: only your home page is opened.

Can anybody confirm the bug? Will there be a fix for this?

Every so often for the past few days this "unfinished" program window has appeared on my pc on top of a normal Firefox window (see attached png). Does this have something to do with Firefox? I think the same thing appears when I first open Firefox, then it gets "filled in" and appears as a normal Firefox window. I am running Firefox 133.0.3 (64-bit) on Windows 10 Pro Version 22H2 build 19045.5247 Windows Feature Experience Pack 1000.19060.1000.0.

Hi,

I have a laptop with an AMD Ryzen 7 8845HS CPU, including a Radeon 780M iGPU, running Ubuntu 24.04. In order to fully utilize the GPU by supporting OpenCL acceleration I installed the additional drivers by: `sudo amdgpu-install --usecase=graphics,multimedia,opencl --opencl=rocr --opengl=mesa`

After that programs which benefit from OpenCL acceleration recognize the GPU, however firefox starts crashing with the following error msg:

XPCOMGlueLoad error for file /usr/lib/firefox/libmozgtk.so: libwayland-client.so.0: failed to map segment from shared object Couldn't load XPCOM.

It seems that the AMD GPU drivers registered their libraries in `/etc/ld.so.conf.d` as 10-rocm-opencl.conf, 20-amdgpu.conf which means that libraries within the given folders are found first.

This applies to the libwayland-client library, which is used by `/usr/lib/firefox/libmozgtk.s`:

ldd /usr/lib/firefox/libmozgtk.so | grep amd libwayland-client.so.0 => /opt/amdgpu/lib/x86_64-linux-gnu/libwayland-client.so.0 (0x00007013767bf000)

Interestingly the same `libmozgtk.so` library is used by thunderbird:

ldd /usr/lib/thunderbird/libmozgtk.so | rg -i amd libwayland-client.so.0 => /opt/amdgpu/lib/x86_64-linux-gnu/libwayland-client.so.0 (0x00007d44b0f41000)

However thunderbird just works fine, so I expect that there might be something wrong with firefox utilizing this library.

Maybe I should also mention, that I'm not even using wayland as desktop compositor, but good old x11:

echo $XDG_SESSION_TYPE x11

Is there any way to further debug this issue?