The best I could find is: in Control Panel (classic view), enter System, go to the Advanced tab, press Settings in the Performance tab and go to the Data Execution Prevention tab.
In my Windows XP, the setting is "Turn on DEP for essential Windows programs and services only" which, most probably, means that for non-system software, like game executables, DEP is disabled. I think this is the setting you should use. Alternatively, if you leave it at "Turn on DEP for all programs and services except those I select" then add this particular executable to the exception list below.
TippeX, is this what you're talking about?
[...] Well, I get the same message but with an error code of 0xc000007b. However, I don't have the game at all, only the files from the v1.5 community patch and the crack for it...