i have no problem running fifa2003

P4 1.5Ghz
250 DDR SDRAM
GeForce2 MX 64MB VRAM
40GB
36X/12X/48X CD RW
Windows XP PROFESSIONAL

only problem im having is when i replace INI.BIG with expansion thingy demo dont start

me 2

my computer:

AMD Athlon XP 1900+
256 DDR SDRAM 266mhZ
ATI Radeon 8500 64 MB WITH FULL DRIVERS INSTALLED
100 gb
48X/12X/48X CD RW
Windows 2K PROFESSIONAL
and
DIRECT X 8.1