Hey simmania -
A couple of question to help us track down this issue for you. Are you using the GitHub version or the Launcher version? How are you building your project in Visual Studio (win64 Development Editor / win32 Development / etc.)? Can you identify the offending texture and possible upload a copy here? Finally, Can you upload your log file from the project (should be in the Saved Folder and if you got a full crash logs should be available at C:\Users\UserName\AppData\Local\Microsoft\Windows\WER\ReportQueue?
Thank You
Eric Ketchum