I integrated IAP using the examples supplied, querying users' purchased items for example at game start. But randomly after game launch, Unity just quits. If I dig into the error reports, I see some access violation. If I remove my GameObject that queries Viveport IAP, I no longer get the crash. Pasting a partial log here. Does this help to address this issue? Right now it's unusable for me Unity Editor by Unity Technologies [version: Unity 2018.1.6f1_57cc34175ccf] Unknown caused an Access Violation (0xc0000005) in module Unknown at 0033:3b7003e8. Error occurred at 2018-07-06_194230. C:\Program Files\Unity2018.1.6f1\Editor\Unity.exe, run by zfore. 84% physical memory in use. 8059 MB physical memory [1214 MB free]. 1269 MB process peak paging file [1269 MB used]. 856 MB process peak working set [856 MB used]. System Commit Total/Limit/Peak: 14306MB/26312MB/31012MB System Physical Total/Available: 8059MB/1214MB System Process Count: 277 System Thread Count: 3572 System Handle Count: 133194 Disk space data for 'C:\Users\zfore\AppData\Local\Temp\Unity\Editor\Crashes\Crash_2018-07-07_024228400\': 18909765632 bytes free of 240463638528 total. Write to location 0000000000000000 caused an access violation. Context: RDI: 0xffffffffffffffff RSI: 0x0000000000007ffc RAX: 0x0000000000000000 RBX: 0x0000000052ecba30 RCX: 0x000000006d88ea03 RDX: 0x00000000533b4540 RIP: 0x000000003b7003e8 RBP: 0x000000006d88ea20 SegCs: 0x0000000000000033 EFlags: 0x0000000000010206 RSP: 0x000000006d88e918 SegSs: 0x000000000000002b R8: 0x00007ffce0f72870 R9: 0x000000006d88ccb0 R10: 0x0000000000000000 R11: 0x000000006d88e860 R12: 0x00007ffce0f23e28 R13: 0x0000000053363930 R14: 0x000000003b7003c0 R15: 0x0000000053363800 Bytes at CS:EIP: 01 00 00 00 00 00 76 0c 4c 89 5d f8 48 c7 45 d8 *** WARNING *** Managed call stack frames will be incorrect or missing. The Mono DLL at 'C:\Program Files\Unity2018.1.6f1\Editor\Data\Mono\EmbedRuntime\mono.dll' does not provide out-of-process stack information support. Upgrade to a newer version of the Mono Scripting Runtime for more detailed debug information. Stack Trace of Crashed Thread 49872: ERROR: SymGetSymFromAddr64, GetLastError: 'The specified module could not be found.' (Address: 000000003B7003E8) ERROR: SymGetModuleInfo64, GetLastError: 'A dynamic link library (DLL) initialization routine failed.' (Address: 000000003B7003E8) 0x000000003B7003E8 ((<unknown>)) (function-name not available) 0x00007FFCE0E8E558 (viveport_api) Viveport::InternalAnalytics::Manager::Shutdown 0x00007FFCE0E9F637 (viveport_api) Viveport::InternalAnalytics::MessageTransactor::onTransact 0x00007FFCE0EC7FE9 (viveport_api) Json::StyledWriter::writeWithIndent 0x00007FFCE0E9EFB7 (viveport_api) Viveport::InternalAnalytics::MessageTransactor::onTransact 0x00007FFCE0E9EE26 (viveport_api) Viveport::InternalAnalytics::MessageTransactor::onTransact 0x00007FFCE0ED1AF0 (viveport_api) Json::StyledWriter::writeWithIndent 0x00007FFCE0EE0C4F (viveport_api) Json::Path::invalidPath 0x00007FFCE0EE0DF6 (viveport_api) Json::Path::invalidPath 0x00007FFD1F5C3034 (KERNEL32) BaseThreadInitThunk 0x00007FFD20C11431 (ntdll) RtlUserThreadStart Stacks for Running Threads: Call Stack for Thread 41220: 0x00000001401927DB (Unity) CalculateGlobalRotation 0x00000001401957E7 (Unity) Transform::GetRotation 0x0000000140B47062 (Unity) ComparePosesApproximately 0x0000000140B53BFF (Unity) Rigidbody::WritePose 0x0000000140B345C7 (Unity) PhysicsManager::Simulate 0x0000000140B2D228 (Unity) `PhysicsManager::InitializeClass'::`2'::FixedUpdatePhysicsFixedUpdateRegistrator::Forward 0x000000014094711B (Unity) ExecutePlayerLoop 0x00000001409471E4 (Unity) ExecutePlayerLoop 0x0000000140949CCC (Unity) PlayerLoop 0x00000001413C9387 (Unity) PlayerLoopController::UpdateScene 0x00000001413C8234 (Unity) Application::TickTimer 0x00000001415C1BBD (Unity) MainMessageLoop 0x00000001415C3EAC (Unity) WinMain 0x000000014209A3D7 (Unity) __scrt_common_main_seh 0x00007FFD1F5C3034 (KERNEL32) BaseThreadInitThunk 0x00007FFD20C11431 (ntdll) RtlUserThreadStart Call Stack for Thread 14188: 0x00007FFD20C3D804 (ntdll) ZwWaitForWorkViaWorkerFactory 0x00007FFD20BBF856 (ntdll) RtlReleaseSRWLockExclusive 0x00007FFD1F5C3034 (KERNEL32) BaseThreadInitThunk 0x00007FFD20C11431 (ntdll) RtlUserThreadStart Call Stack for Thread 41204: 0x00007FFD20C3D804 (ntdll) ZwWaitForWorkViaWorkerFactory 0x00007FFD20BBF856 (ntdll) RtlReleaseSRWLockExclusive 0x00007FFD1F5C3034 (KERNEL32) BaseThreadInitThunk 0x00007FFD20C11431 (ntdll) RtlUserThreadStart Call Stack for Thread 43636: 0x00007FFD20C3D804 (ntdll) ZwWaitForWorkViaWorkerFactory 0x00007FFD20BBF856 (ntdll) RtlReleaseSRWLockExclusive 0x00007FFD1F5C3034 (KERNEL32) BaseThreadInitThunk 0x00007FFD20C11431 (ntdll) RtlUserThreadStart Call Stack for Thread 39324: 0x00007FFD20C39F34 (ntdll) NtWaitForSingleObject 0x00007FFD1D009252 (KERNELBASE) WaitForSingleObjectEx 0x0000000140AEC2C8 (Unity) profiling::Dispatcher::ThreadFunc 0x0000000140A71A08 (Unity) Thread::RunThreadWrapper 0x00007FFD1F5C3034 (KERNEL32) BaseThreadInitThunk 0x00007FFD20C11431 (ntdll) RtlUserThreadStart Call Stack for Thread 27792: 0x00007FFD20C3D804 (ntdll) ZwWaitForWorkViaWorkerFactory 0x00007FFD20BBF856 (ntdll) RtlReleaseSRWLockExclusive 0x00007FFD1F5C3034 (KERNEL32) BaseThreadInitThunk 0x00007FFD20C11431 (ntdll) RtlUserThreadStart Call Stack for Thread 21680: 0x00007FFD20C3D804 (ntdll) ZwWaitForWorkViaWorkerFactory 0x00007FFD20BBF856 (ntdll) RtlReleaseSRWLockExclusive 0x00007FFD1F5C3034 (KERNEL32) BaseThreadInitThunk 0x00007FFD20C11431 (ntdll) RtlUserThreadStart Call Stack for Thread 22160: 0x00007FFD20C3AA04 (ntdll) ZwWaitForMultipleObjects 0x00007FFD1D016099 (KERNELBASE) WaitForMultipleObjectsEx 0x00007FFD1E912AB7 (combase) CoGetProcessIdentifier 0x00007FFD1E90CE40 (combase) CoGetProcessIdentifier 0x00007FFD1E90FF11 (combase) CoGetProcessIdentifier 0x00007FFD1E9575DC (combase) CoRegisterPSClsid 0x00007FFD1F5C3034 (KERNEL32) BaseThreadInitThunk 0x00007FFD20C11431 (ntdll) RtlUserThreadStart Call Stack for Thread 23668: 0x00007FFD20C3A534 (ntdll) NtDelayExecution 0x00007FFD1D015E9A (KERNELBASE) SleepEx 0x00000001401AE1B8 (Unity) CurlRequest::MessageThread 0x00000001401AF779 (Unity) CurlRequest::_ThreadEntryPoint 0x0000000140A71A08 (Unity) Thread::RunThreadWrapper 0x00007FFD1F5C3034 (KERNEL32) BaseThreadInitThunk 0x00007FFD20C11431 (ntdll) RtlUserThreadStart Call Stack for Thread 11104: 0x00007FFD20C39FD4 (ntdll) NtRemoveIoCompletion 0x00007FFD1C73F338 (mswsock) Tcpip6_WSHStringToAddress 0x00007FFD1F5C3034 (KERNEL32) BaseThreadInitThunk 0x00007FFD20C11431 (ntdll) RtlUserThreadStart Call Stack for Thread 41588: 0x00007FFD20C39FD4 (ntdll) NtRemoveIoCompletion 0x00007FFD1D022E92 (KERNELBASE) GetQueuedCompletionStatus 0x00007FFCBA69E797 (libcef) IsSandboxedProcess 0x00007FFD1F5C3034 (KERNEL32) BaseThreadInitThunk 0x00007FFD20C11431 (ntdll) RtlUserThreadStart Call Stack for Thread 35940: 0x00007FFD20C39FD4 (ntdll) NtRemoveIoCompletion 0x00007FFD1D022E92 (KERNELBASE) GetQueuedCompletionStatus 0x00007FFCB86D592F (libcef) cef_trace_event_instant 0x00007FFCB86D4F3E (libcef) cef_trace_event_instant 0x00007FFCB86D551B (libcef) cef_trace_event_instant 0x00007FFCB86C08B0 (libcef) cef_trace_event_instant 0x00007FFCB86A7DF8 (libcef) cef_trace_event_instant 0x00007FFCB86C0F57 (libcef) cef_trace_event_instant 0x00007FFCB86A5A4F (libcef) cef_trace_event_instant 0x00007FFD1F5C3034 (KERNEL32) BaseThreadInitThunk 0x00007FFD20C11431 (ntdll) RtlUserThreadStart Call Stack for Thread 38432: 0x00007FFD20C39F34 (ntdll) NtWaitForSingleObject 0x00007FFD1D009252 (KERNELBASE) WaitForSingleObjectEx 0x00007FFCB86D60FE (libcef) cef_trace_event_instant 0x00007FFCB86C08B0 (libcef) cef_trace_event_instant 0x00007FFCB86A7DF8 (libcef) cef_trace_event_instant 0x00007FFCB86C0F57 (libcef) cef_trace_event_instant 0x00007FFCB86A5A4F (libcef) cef_trace_event_instant 0x00007FFD1F5C3034 (KERNEL32) BaseThreadInitThunk 0x00007FFD20C11431 (ntdll) RtlUserThreadStart Call Stack for Thread 26620: 0x00007FFD20C39F34 (ntdll) NtWaitForSingleObject 0x00007FFD1D009252 (KERNELBASE) WaitForSingleObjectEx 0x00007FFCB90EFD09 (libcef) cef_get_min_log_level 0x00007FFCB8F81B10 (libcef) cef_get_min_log_level 0x00007FFCBA12DB87 (libcef) cef_get_min_log_level 0x00007FFCBA12DD2E (libcef) cef_get_min_log_level 0x00007FFD1F5C3034 (KERNEL32) BaseThreadInitThunk 0x00007FFD20C11431 (ntdll) RtlUserThreadStart Call Stack for Thread 41644: 0x00007FFD20C39F34 (ntdll) NtWaitForSingleObject 0x00007FFD1D009252 (KERNELBASE) WaitForSingleObjectEx 0x00007FFCB916CEC1 (libcef) cef_get_min_log_level 0x00007FFCB8F81B10 (libcef) cef_get_min_log_level 0x00007FFCBA12DB87 (libcef) cef_get_min_log_level 0x00007FFCBA12DD2E (libcef) cef_get_min_log_level 0x00007FFD1F5C3034 (KERNEL32) BaseThreadInitThunk 0x00007FFD20C11431 (ntdll) RtlUserThreadStart Call Stack for Thread 41704: 0x00007FFD20C39F34 (ntdll) NtWaitForSingleObject 0x00007FFD1D009252 (KERNELBASE) WaitForSingleObjectEx 0x00007FFCB916CEC1 (libcef) cef_get_min_log_level 0x00007FFCB8F81B10 (libcef) cef_get_min_log_level 0x00007FFCBA12DB87 (libcef) cef_get_min_log_level 0x00007FFCBA12DD2E (libcef) cef_get_min_log_level 0x00007FFD1F5C3034 (KERNEL32) BaseThreadInitThunk 0x00007FFD20C11431 (ntdll) RtlUserThreadStart Call Stack for Thread 40636: 0x00007FFD20C39F34 (ntdll) NtWaitForSingleObject 0x00007FFD1D009252 (KERNELBASE) WaitForSingleObjectEx 0x00007FFCB916CEC1 (libcef) cef_get_min_log_level 0x00007FFCB8F81B10 (libcef) cef_get_min_log_level 0x00007FFCBA12DB87 (libcef) cef_get_min_log_level 0x00007FFCBA12DD2E (libcef) cef_get_min_log_level 0x00007FFD1F5C3034 (KERNEL32) BaseThreadInitThunk 0x00007FFD20C11431 (ntdll) RtlUserThreadStart Call Stack for Thread 29052: 0x00007FFD20C39F34 (ntdll) NtWaitForSingleObject 0x00007FFD1D009252 (KERNELBASE) WaitForSingleObjectEx 0x00007FFCB86D60FE (libcef) cef_trace_event_instant 0x00007FFCB86C08B0 (libcef) cef_trace_event_instant 0x00007FFCB86A7DF8 (libcef) cef_trace_event_instant 0x00007FFCB8997C6E (libcef) SetCrashKeyValueImpl 0x00007FFCB89986E3 (libcef) SetCrashKeyValueImpl 0x00007FFCB86C0F57 (libcef) cef_trace_event_instant 0x00007FFCB86A5A4F (libcef) cef_trace_event_instant 0x00007FFD1F5C3034 (KERNEL32) BaseThreadInitThunk 0x00007FFD20C11431 (ntdll) RtlUserThreadStart Call Stack for Thread 29096: 0x00007FFD1E0196E4 (win32u) NtUserMsgWaitForMultipleObjectsEx 0x00007FFD1E72029D (USER32) MsgWaitForMultipleObjectsEx 0x00007FFCB86D5AB7 (libcef) cef_trace_event_instant 0x00007FFCB86D500E (libcef) cef_trace_event_instant 0x00007FFCB86D551B (libcef) cef_trace_event_instant 0x00007FFCB86C08B0 (libcef) cef_trace_event_instant 0x00007FFCB86A7DF8 (libcef) cef_trace_event_instant 0x00007FFCB8997CFE (libcef) SetCrashKeyValueImpl 0x00007FFCB89986FF (libcef) SetCrashKeyValueImpl 0x00007FFCB86C0F57 (libcef) cef_trace_event_instant 0x00007FFCB86A5A4F (libcef) cef_trace_event_instant 0x00007FFD1F5C3034 (KERNEL32) BaseThreadInitThunk 0x00007FFD20C11431 (ntdll) RtlUserThreadStart Call Stack for Thread 19148: 0x00007FFD20C39F34 (ntdll) NtWaitForSingleObject 0x00007FFD1D009252 (KERNELBASE) WaitForSingleObjectEx 0x00007FFCB86D60FE (libcef) cef_trace_event_instant 0x00007FFCB86C08B0 (libcef) cef_trace_event_instant 0x00007FFCB86A7DF8 (libcef) cef_trace_event_instant 0x00007FFCB8997D8E (libcef) SetCrashKeyValueImpl 0x00007FFCB899871B (libcef) SetCrashKeyValueImpl 0x00007FFCB86C0F57 (libcef) cef_trace_event_instant 0x00007FFCB86A5A4F (libcef) cef_trace_event_instant 0x00007FFD1F5C3034 (KERNEL32) BaseThreadInitThunk 0x00007FFD20C11431 (ntdll) RtlUserThreadStart Call Stack for Thread 14304: 0x00007FFD20C39F34 (ntdll) NtWaitForSingleObject 0x00007FFD1D009252 (KERNELBASE) WaitForSingleObjectEx 0x00007FFCB86D60FE (libcef) cef_trace_event_instant 0x00007FFCB86C08B0 (libcef) cef_trace_event_instant 0x00007FFCB86A7DF8 (libcef) cef_trace_event_instant 0x00007FFCB89985FE (libcef) SetCrashKeyValueImpl 0x00007FFCB8998737 (libcef) SetCrashKeyValueImpl 0x00007FFCB86C0F57 (libcef) cef_trace_event_instant 0x00007FFCB86A5A4F (libcef) cef_trace_event_instant 0x00007FFD1F5C3034 (KERNEL32) BaseThreadInitThunk 0x00007FFD20C11431 (ntdll) RtlUserThreadStart Call Stack for Thread 2052: 0x00007FFD20C39FD4 (ntdll) NtRemoveIoCompletion 0x00007FFD1D022E92 (KERNELBASE) GetQueuedCompletionStatus 0x00007FFCB86D592F (libcef) cef_trace_event_instant 0x00007FFCB86D4F3E (libcef) cef_trace_event_instant 0x00007FFCB86D551B (libcef) cef_trace_event_instant 0x00007FFCB86C08B0 (libcef) cef_trace_event_instant 0x00007FFCB86A7DF8 (libcef) cef_trace_event_instant 0x00007FFCB8997ABE (libcef) SetCrashKeyValueImpl 0x00007FFCB8998753 (libcef) SetCrashKeyValueImpl 0x00007FFCB86C0F57 (libcef) cef_trace_event_instant 0x00007FFCB86A5A4F (libcef) cef_trace_event_instant 0x00007FFD1F5C3034 (KERNEL32) BaseThreadInitThunk 0x00007FFD20C11431 (ntdll) RtlUserThreadStart Call Stack for Thread 18040: 0x00007FFD20C39FD4 (ntdll) NtRemoveIoCompletion 0x00007FFD1D022E92 (KERNELBASE) GetQueuedCompletionStatus 0x00007FFCB86D592F (libcef) cef_trace_event_instant 0x00007FFCB86D4F3E (libcef) cef_trace_event_instant 0x00007FFCB86D551B (libcef) cef_trace_event_instant 0x00007FFCB86C08B0 (libcef) cef_trace_event_instant 0x00007FFCB86A7DF8 (libcef) cef_trace_event_instant 0x00007FFCB8997FEE (libcef) SetCrashKeyValueImpl 0x00007FFCB899876F (libcef) SetCrashKeyValueImpl 0x00007FFCB86C0F57 (libcef) cef_trace_event_instant 0x00007FFCB86A5A4F (libcef) cef_trace_event_instant 0x00007FFD1F5C3034 (KERNEL32) BaseThreadInitThunk 0x00007FFD20C11431 (ntdll) RtlUserThreadStart Call Stack for Thread 39596: 0x00007FFD20C39F34 (ntdll) NtWaitForSingleObject 0x00007FFD1D009252 (KERNELBASE) WaitForSingleObjectEx 0x00007FFCB86D60FE (libcef) cef_trace_event_instant 0x00007FFCB86C08B0 (libcef) cef_trace_event_instant 0x00007FFCB86A7DF8 (libcef) cef_trace_event_instant 0x00007FFCB86C0F57 (libcef) cef_trace_event_instant 0x00007FFCB86A5A4F (libcef) cef_trace_event_instant 0x00007FFD1F5C3034 (KERNEL32) BaseThreadInitThunk 0x00007FFD20C11431 (ntdll) RtlUserThreadStart Call Stack for Thread 47428: 0x00007FFD20C3D7A4 (ntdll) ZwWaitForAlertByThreadId 0x00007FFD20C15412 (ntdll) RtlSleepConditionVariableCS 0x00007FFD1D03EB28 (KERNELBASE) SleepConditionVariableCS 0x00007FFCB86DBB5E (libcef) cef_trace_event_instant 0x00007FFCB86BF8AE (libcef) cef_trace_event_instant 0x00007FFCB86BEE73 (libcef) cef_trace_event_instant 0x00007FFCB86DBEDD (libcef) cef_trace_event_instant 0x00007FFCB86A5A4F (libcef) cef_trace_event_instant 0x00007FFD1F5C3034 (KERNEL32) BaseThreadInitThunk 0x00007FFD20C11431 (ntdll) RtlUserThreadStart
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