Building the Lighting in 4.2 freezes my pc for a while

When I build (with high quality lightmaps) the scene is exported but then the pc completely froze. I took 15 minutes to unfreeze and then it started building the lighting.
I’m using the default lightmass setting and the area covered by the importance volume is not complex or big.
World to meters is set to 100.

I have an i5 4440 and a 750 ti gtx plus 8gb ddr3

Have you experienced the same issue? I don’t know if it’s a begginer problem or not.

Hi Mude,

Can you post this in the **AnswerHub**for a quicker response and better tracking on issues like this?

Thank you!