I guess it's not solvable, but what can cause a map to crash suddenly during the loading?
The map works fine on my computer but crashes when I try with my friend's computer.

PS: I only tested it on one computer. It's a fairly big map and it's part of a mappack (including scripts etc.), so I can hardly give you the file to test it out.

You said it's a big map. Maybe your friends computer has not the hardware to load it stable.
Some years ago I made a small map with a lot of entities (NPCs and scripting for them, a big density of details and props) and every game crashed, just if I started it out of Hammer it loaded correctly.

The best try would to split the map (just for testing) into 2 parts. If you have scripts etc. you will have it in a VPK anyway, wouldn't you?

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If you have scripts etc. you will have it in a VPK anyway, wouldn't you?

Correct. The current package is a vpk.

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The best try would to split the map (just for testing) into 2 parts.

I will try. The map is actually a huge cavern (just like Valve's one), but it's pretty empty for the moment. My friend's computer isn't really old however, and it can run the game with full details withtout fps drop. Really don't know what's going on with this map.

Thanks for helping by the way.

Having no player start causes a map to crash, but i bet you have one.

He said the map works on his computer. Without player_start it would crash there, too.

If only I could get a crash log... But there isn't any kind of error message when the crash occurs.
Do you have any idea to find out where is the crash coming from? It would be nice to see the console but I guess it's not possible during a loading.

You could use the hide/show options in hammer. Just hide all entities first. And then just unhide one after another (eg. Brush entities first, then point entities, ...).

I can't believe it. I have tried to compile the map on my friend's computer, and Hammer said there was a leaking.
And when I compile the map on my computer, there's no leaking at all.
It's not even a regular leaking, it's a propstatic that is leaking through a wall.
I can fix it now, but I don't understand why Hammer didn't notice it with my computer.