I have found some additional information, I hope they help you to solve the problem. Some Information are in German but the main content makes sense 😉
I have Photostream used before without any troubles but for several days it brings me this error:
Additional Information:
Problem signature:
Problem Event Name: APPCRASH
Application Name: ApplePhotoStreams.exe
Application Version: 7.2.5.1
Application Timestamp: 4f3a19cc
Fault Module Name: Corefoundation.dll
Fault Module Version: 1.630.16.0
Fault Module Timestamp: 4f3a0c6f
Exception Code: c0000005
Exception Offset: 0004bd32
Operating system version: 6.1.7601.2.1.0.256.48
Locale ID: 1031
Additional Information 1: 6271
Additional Information 2: 6271dd38232557df463a519efe70d646
Additional Information 3: 9bd5
Additional Information 4: 9bd56d69af4314f95697e3db10dee586
From my Debugging tool i get the line where the assembly throws an error:
72C0BD32 mov eax,dword ptr [eax]
I dont know exactly what this says about the crash but i think this will help some people to solve the Problem
If you need more informationen about the assembly just contact me, i try to help as mutch as i can 🙂