This JIRA is being entered as a result of it being one of the top crashes in 4.13 Preview 1
Error message:
Access violation - code c0000005 (first/second chance not available)
Source Context:
219       {
  220       return;
  221       }
  222       
  223       // Process the change
  224       uint8* InfoBase = BackBuffer;
  225       do
  226       {
  227       FILE_NOTIFY_INFORMATION* NotifyInfo = (FILE_NOTIFY_INFORMATION*)InfoBase;
  228       
  229       // Copy the WCHAR out of the NotifyInfo so we can put a NULL terminator on it and convert it to a FString
  230       const int32 Len = NotifyInfo->FileNameLength / sizeof(WCHAR);
  231       WCHAR* RawFilename = new WCHAR[Len + 1];
  232       FMemory::Memcpy(RawFilename, NotifyInfo->FileName, NotifyInfo->FileNameLength);
  233 ***** RawFilename[Len] = 0;
  234       
  235       FFileChangeData::EFileChangeAction Action;
  236       switch(NotifyInfo->Action)
  237       {
  238       case FILE_ACTION_ADDED:
  239       case FILE_ACTION_RENAMED_NEW_NAME:
  240       Action = FFileChangeData::FCA_Added;
  241       break;
  242       
  243       case FILE_ACTION_REMOVED:
  244       case FILE_ACTION_RENAMED_OLD_NAME:
  245       Action = FFileChangeData::FCA_Removed;
  246       break;
  247       
  248       case FILE_ACTION_MODIFIED:
Most recent user affected CL: 3072953
Logs: 
[Link Removed]
[Link Removed]
[Link Removed]
CrashReporter User Descriptions:
This crash does not occur in 4.12.5. This is a regression.
Result: Editor crashes during the loading process
VCRUNTIME140!<Unknown> UE4Editor_DirectoryWatcher!FDirectoryWatchRequestWindows::ProcessChange() [directorywatchrequestwindows.cpp:234] ntdll!<Unknown> ntdll!<Unknown> mswsock!<Unknown> mswsock!<Unknown> ws2_32!<Unknown> UE4Editor_Sockets!FSocketBSD::Bind() [socketsbsd.cpp:33] UE4Editor_UdpMessaging!FUdpSocketBuilder::Build() UE4Editor_UdpMessaging!FUdpMessageTransport::StartTransport() UE4Editor_Messaging!FMessageBridge::Enable() [messagebridge.cpp:75] UE4Editor_UdpMessaging!FMessageBridgeBuilder::Build() UE4Editor_UdpMessaging!FMessageBridgeBuilder::operator TSharedPtr<IMessageBridge,1>() UE4Editor_UdpMessaging!FUdpMessagingModule::InitializeBridge() UE4Editor_UdpMessaging!FUdpMessagingModule::RestartServices() UE4Editor_UdpMessaging!FUdpMessagingModule::StartupModule() UE4Editor_Core!FModuleManager::LoadModuleWithFailureReason() [modulemanager.cpp:480] UE4Editor_Projects!FModuleDescriptor::LoadModulesForPhase() [moduledescriptor.cpp:398] UE4Editor_Projects!FPluginManager::LoadModulesForEnabledPlugins() [pluginmanager.cpp:553] UE4Editor!FEngineLoop::LoadStartupModules() [launchengineloop.cpp:2211] UE4Editor!FEngineLoop::PreInit() [launchengineloop.cpp:1653] UE4Editor!GuardedMain() [launch.cpp:117] UE4Editor!GuardedMainWrapper() [launchwindows.cpp:126] UE4Editor!WinMain() [launchwindows.cpp:202] UE4Editor!__scrt_common_main_seh() [exe_common.inl:264] kernel32!<Unknown> ntdll!<Unknown>
Head over to the existing Questions & Answers thread and let us know what's up.
| 0 | 
| Component | UE - Networking | 
|---|---|
| Affects Versions | 4.13 | 
| Target Fix | 4.13 | 
| Created | Aug 5, 2016 | 
|---|---|
| Resolved | Aug 10, 2016 | 
| Updated | Apr 27, 2018 |