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.

bp-fa8c80b2-1b84-418d-b825-eef592170101 bp-17c55bc1-b81e-44e0-9e3e-322242170101 bp-454dcf2c-35c4-478e-8102-2ef4b2170101 bp-faa48f2d-7c30-4c21-b429-4d1532170101 bp-29140313-13c1-4446-84c2-956982170101

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thanks for those crash ids. unfortunately these crashes are probably triggered by malware that's present on your system and hooking into firefox (a lsp monitoring your network traffic labelled "chtbrkg.dll").

please go to the windows control panel / programs and remove all toolbars or potentially unwanted software from there (especially anything dubbed "adskip" or other programs you haven't installed intentionally). then please also try running security scans with various other tools like the free version of malwarebytes, adwcleaner & eset online one-time scanner.

finally you may also refer to this blog entry on how to proceed with malicious lsp-modules: https://blog.malwarebytes.com/cybercrime/2014/10/changes-in-the-lsp-stack/

It worked :) thank you so much.