hello, it looks like a library called sprotector.dll (which usually resides in %PROGRAMFILES%\SProtector\) is triggering the crashes. do you know of which program it's a part of? this crash is currently investigated in [https://bugzilla.mozilla.org/show_bug.cgi?id=785940 bug #785940].

Looks like a problem with the sprotector.dll C:\Program Files\SProtector\sprotector.dll Not sure if this is a legit program or malware: *http://www.drwebhk.com/en/virus_techinfo/Trojan.AVKill.18367.html *https://crash-stats.mozilla.com/report/index/5b733c21-b747-4400-9b62-c36782120916 *[https://bugzilla.mozilla.org/show_bug.cgi?id=785940 bug 785940] - Firefox startup crash in _open with SProtector.dll (Safend Protector or Sophos SafeGuard?) ---- Do a malware check with some malware scanning programs on the Windows computer.<br /> You need to scan with all programs because each program detects different malware.<br /> Make sure that you update each program to get the latest version of their databases before doing a scan. *http://www.malwarebytes.org/mbam.php - Malwarebytes' Anti-Malware *http://www.superantispyware.com/ - SuperAntispyware *http://www.microsoft.com/security/scanner/en-us/default.aspx - Microsoft Safety Scanner *http://www.microsoft.com/windows/products/winfamily/defender/default.mspx - Windows Defender: Home Page *http://www.safer-networking.org/en/index.html - Spybot Search & Destroy You can also do a check for a rootkit infection with TDSSKiller. *http://support.kaspersky.com/viruses/solutions?qid=208280684 See also: *"Spyware on Windows": http://kb.mozillazine.org/Popups_not_blocked