Product Firefox Release Channel release Version 49.0.1 Build ID 20160922113459 OS Windows 10 OS Version 10.0.14393 Signature: nss3.dll@0x1ea700 | GetFileInfo KERNELBASE.dll = Microsoft This is for Sumo's Related Bugs 1229252 REOPENED --- startup crashes in nss3.dll@0x1e5b60 | GetFileInfo, due to software from ESET (eOppMonitor.dll) --------------------- Perform a System File Check to fix corrupted system files Win 7, 8, 10, Vista: https://support.microsoft.com/en-us/kb/929833 Win XP: https://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/system_file_checker.mspx?mfr=true See if there are updates for your graphics drivers https://support.mozilla.org/kb/upgrade-graphics-drivers-use-hardware-acceleration