Could you please isolate problematic package, send it to me, and describe in details how to reproduce the crash?
Yes, it's random, and it's only preview UPK's content.
UIMenuItem::Update:"Show bone names B" <- UIMenuItem::Update:"Object" <- UIMenuItem::Update:"" <- CUmodelApp::ProcessKey:key=6F, down=1 <- VisualizerLoop <- Main:umodel_build=867
Files:
https://transfernow.net/019jh2d8nq9mReproduce step:
1-load GOD_Pele.upk
2-ShortKey "o", load another .upk: random fatal error
3-if no crash, load another .upk