Problem fixed, did what you told me J-C, the 1991 mod still doesn't work but at least it loads, it still has 2001 names and the cars are lined in the grass LOL,I will try reinstalling it. The original game works fine but everytime I exit the program it gives me this error log (its very short):
Starting log
GPxPatch version: 3.92
GPx version detected: decrypted GP4 v1.02
Verbosity level is 0
OS version info: Windows 98 build 2222
Total physical memory: 255 MB (free: 224 MB)
Debugging GP4.exe
Process will run on CPU 1 only
Waiting for debug events...
Injecting DLL loading code...
Error changing access to memory: (87) The parameter is incorrect.
Error writing process memory: (87) The parameter is incorrect.
*** error injecting code: (87) The parameter is incorrect.