I have a major problem with Valve Hammer v3.4, every time I try to run my map, to get the bsp file updated, it just closes without doing anything, also if I try and save my work in the format .map it also closes without saving. Please help as I need to test something in my map. Thanks you!

I fixed it, all it was was I had added tech_wall.wad, also, i think it's textures are dodgy.