I installed the latest version 11.5 when it popped up yesterday. Today, Directory Opus has crashed a couple of times. Here's the event viewer info:
Faulting application name: dopus.exe, version: 5.0.1.10, time stamp: 0x53b6189c
Faulting module name: ntdll.dll, version: 6.1.7601.18247, time stamp: 0x521eaf24
Exception code: 0xc0000374
Fault offset: 0x00000000000c4102
Faulting process id: 0x2a64
Faulting application start time: 0x01cf9bdc46915938
Faulting application path: C:\Program Files\GPSoftware\Directory Opus\dopus.exe
Faulting module path: C:\Windows\SYSTEM32\ntdll.dll
Report Id: b6159137-07e5-11e4-8570-00a0c6000000
Directory Opus Pro 11.5 Build 5298 x64
OS 6.1 (B:7601 P:2 T:1) SP 1.0 "Service Pack 1"