You should provide the crash log attachments so others whom are familiar with this can look at what the cause might be.

Где его взять?

If you have submitted crash reports, please post the IDs of one or more recent crash reports that start with "bp-". *bp-xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx You can find the report ID of recent crash reports on the "Help -> More Troubleshooting Information" (about:support) page. *click the "All Crash Reports" button on this page to open the <b>about:crashes</b> page and see all crash reports. Alternatively you can open about:crashes via the location/address bar. See also: *https://support.mozilla.org/en-US/kb/mozillacrashreporter *https://support.mozilla.org/en-US/kb/troubleshoot-firefox-crashes-closing-or-quitting *https://support.mozilla.org/en-US/kb/firefox-crashes-asking-support