> > I think it stops responding because it's waiting for the game to end.

> Probably... but the problem is that the whole system is frozen, so I can't even get into the game!
> Only Ctrl+Alt+Del is allowed (actually Alt+Tab also, but none of the apps gets the focus).

> BTW, I forgot to mention, that the very same game launcher acts the same on other computers.

> As a last attempt, I'll try to remove all files from XCC Mod Creator and check if there's one file which causes the problem...

Got words from a friend of mine, who couldn't even run RA2/YR (supposedly 'cause of HyperThreading), that by adding Compatibility for Win98 everything worked properly... even the mod launcher! (which also needs Compatibility)

Will see tonight if this solves the problem.