SDK Hammer keep crashing/closing

When I come to compile my map it keeps crashing have windows 7 64bit

is it a big map?
http://www.tophattwaffle.com/?page_id=173
Download the ValveBatchCompiler
It works 100% :smiley:
heres a Tut on how to optimize your map

Yeah I have subbed him and also bookmarked his website before.
But I think I will have to try a few thing out that I have just thought of, thanks anyways :]