Product Firefox Version 41.0 Build ID 20150917150946 Release Channel release OS Windows NT OS Version 10.0.10240

Signature shutdownhang | WaitForSingleObjectEx

FlashBeat32.dll

Fqrocohj.dll

ezwuzcdtu.dll = Cupuacu Labs has been detected as PUP.ShopperZ.CupuacuLabs

efeyin.dll = Cupuacu Labs has been detected as PUP.ShopperZ.CupuacuLabs

ehriuciv.dll = Cupuacu Labs has been detected as PUP.ShopperZ.CupuacuLabs

LavasoftTcpService.dll = Lavasoft Limited

icudt52.dll = International Components for Unicode

rofdhowal.dll = potentially unwanted program by 24 anti-malware scanners

This is for Sumo's Related Bugs 1241931 NEW --- Shutdownhang with active GDIFontInfo::Load()

1204809 NEW --- shutdownhang in nsThread::Shutdown() | Firefox crashes, sometimes the restart fails

1136891 REOPENED --- shutdownhang in nsThread::Shutdown() coming from ScopedXPCOMStartup::~ScopedXPCOMStartup()

1134620 NEW --- shutdownhang in nsThread::Shutdown() on restart for applying update

You may have ad / mal-ware. Further information can be found in the Troubleshoot Firefox issues caused by malware article.

Run most or all of the listed malware scanners. Each works differently. If one program misses something, another may pick it up.

flashbeat32.dll = FlashBeat = has been detected as a potentially unwanted program by 5 anti-malware scanners

fqrocohj.dll = Cupuacu Labs has been detected as PUP.ShopperZ.CupuacuLabs