Log Name: Application Source: Application Error Date: 22:10:26Įvent ID: 1000 Task Category: (100) Level: Error Keywords: Classicįaulting application name: vstudio.exe, version: 17.0.0.249, time stamp: 0x52bb3bf3įaulting module name: H264VDec.dll, version: 5.4.0.4, time stamp: 0x5268ada6Įxception code: 0xc0000005 Fault offset: 0x00000000000fce4eįaulting process id: 0xd10 Faulting application start time: 0x01d043e47dc84696įaulting application path: C:\Program Files\Corel\Corel VideoStudio Pro X7\vstudio.exeįaulting module path: C:\Program Files\Corel\Corel VideoStudio Pro X7\H264VDec.dll I hope you don't mind, as I have no idea what I am looking at, here is the last report in full with a a note at the end showing the 'Faulting module name' for the two previous reports. I have looked at three errors from last night in the way you suggested and whilst most of the reports appear to be very similar the main difference seems to be in the line 'Faulting module name'.