Tried running the online scanner on my Win 10 x64 system. Tried it multiple times, under safe mode as well. It runs for over an hour and gets maybe 3/4 done and crashes.
Event log has this entry.
Faulting application name: esetonlinescanner_enu.exe, version: 188.8.131.52, time stamp: 0x573dab40
Faulting module name: esetonlinescanner_enu.exe, version: 184.108.40.206, time stamp: 0x573dab40
Exception code: 0xc0000005
Fault offset: 0x00036471
Faulting process id: 0x1390
Faulting application start time: 0x01d1b925d78a5c25
Faulting application path: D:\Downloads\AntiVirus\esetonlinescanner_enu.exe