We're sorry to hear that your Firefox seems to be crashing when you open it. Please perform the following steps to give us a crash report ID that helps us find out more about the cause of the crash.

1. On the keyboard, press [Windows] The image "Windows key" does not exist. + [R]. This should bring up a Run window that contains a text field.
2. In that text field, type %APPDATA% and press Enter. An explorer window should open.
3. From that explorer window, double-click on the Mozilla folder, then double-click on Firefox and then on Crash reports. Double-click on submitted.
4. Now, you should see a list of files that contain reports. Go to View > Arrange Icons by > Modified to get the most recent files at the top of the window.
5. Open the most recent 5 files with a text editor and copy the IDs.
6. Paste each ID with bp- into the reply window on the forums.

Thanks in advance!

You can find more information and troubleshooting steps in the Troubleshoot Firefox crashes (closing or quitting unexpectedly) article.

Thank you for the prompt service, here follows the IDs: bp-c341213b-94aa-4ce9-b776-fca6d2150407 bp-6b9d3d9a-70bf-48d7-8d9b-a8adc2150407 bp-c42c2c77-11fe-4d76-87c6-313642150407 bp-c41c691d-4bd5-4d3e-ade8-e5fc32150407 bp-9fdbdd16-8db9-408c-8e8b-fdb6c2150407

You can try to disable hardware acceleration in Firefox.

• Tools > Options > Advanced > General > Browsing: "Use hardware acceleration when available"

You need to close and restart Firefox after toggling this setting.

• https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes

• https://support.mozilla.org/kb/upgrade-graphics-drivers-use-hardware-acceleration

The crash report flagged these programs;

nvwgf2um.dll = NVIDIA Compatible D3D10 Driver

Check for upgrades for this.

See if there are updates for your graphics drivers https://support.mozilla.org/kb/upgrade-graphics-drivers-use-hardware-acceleration

Thanks, the video driver upgrade solved the problem.