Editor crashes when building lighting

Whenever I build the lighting the editor crashes completely regardless of quality even on the default scene. Using UE 4.1.0 latest one. Not sure what other information I can provide. My computer is not that powerful but it has run UDK 3 and 4 in the past. As soon as swarm starts it immediately crashes not freezing or anything else.


Thank you for your report. We were not able to investigate this on the engine version you reported, but there have been many version changes to UE4 since this question was first posted. With a new version of the Engine comes new fixes and it is possible that this issue has changed or may no longer occur. Due to timetable of when this issue was first posted, we are marking this post as resolved for tracking purposes.

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