First I just tried a straight installation but now I've also tried starting with GPxPatch (like I've always have in the past). Tried tweaking different settings in GPxPatch to no avail. When I enable debug mode in GPxPatch I get the following output if that sheds any light on this;
Starting log
GPxPatch version: 4.10
GPx version detected: decrypted GP4 v1.00
Verbosity level is 0
OS version info: Windows XP Service Pack 2 build 2600
Total physical memory: 2046 MB (free: 384 MB)
Debugging gp4.exe
Waiting for debug events...
Injecting DLL loading code...
Injection succesful
First chance exception
Exception address: 0x0054a640
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to write to virtual address 0x00b44000
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x7c9100e8
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270092
First chance exception
Exception address: 0x005078dd
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270082
Unhandled exception
Exception address: 0x005078dd
Exception code: EXCEPTION_ACCESS_VIOLATION
Process tried to read from virtual address 0xfe270082
Stack trace:
005078DD: Program Files\Infogrames\Grand Prix 4\GPxPatch.exe! <no symbol>
76B5AE36: WINDOWS\system32\WINMM.dll! timeKillEvent + 953 bytes
76B5AF3A: WINDOWS\system32\WINMM.dll! timeGetSystemTime + 151 bytes
7C80B699: WINDOWS\system32\kernel32.dll! GetModuleFileNameA + 442 bytes
Registers:
EAX=FE270082 ECX=FE270082 ESI=00000010
EBX=00000000 EDX=76B60200 EDI=00507AA0
CS:EIP=001B:005078DD
SS:ESP=0023:0154FE90 EBP=0154FEDC
DS=0023 ES=0023 FS=003B GS=0000
Flags=00000286
Stack dump:
0154fe90: 0054bd01 00507aa0 00000010 0154fedc '..T..zP.......T.'
0154fea0: 0154feb4 00000000 76b60200 0154fee8 '..T........v..T.'
0154feb0: 00000000 00507aa5 76b454f3 00000010 '.....zP..T.v....'
0154fec0: 00000000 0036147c 00000000 00000000 '....|.6.........'
0154fed0: 00000000 76b61760 76b60200 0154ff18 '....`..v...v..T.'
0154fee0: 76b5ae36 00507aa0 00000003 00000010 '6..v.zP.........'
0154fef0: 00000000 0036147c 00000000 00000000 '....|.6.........'
0154ff00: 7c96f040 00000001 00000000 76b5af21 '@..|........!..v'
0154ff10: 00507aa0 0036147c 0154ffb4 76b5af3a '.zP.|.6...T.:..v'
0154ff20: 00000010 ffffffff 00000000 00000010 '................'
0154ff30: 00000021 a17bac30 80642174 89d9c9d8 '!...0.{.t!d.....'
0154ff40: 8899b020 7ffdc000 a17bac88 80502f54 ' .........{.T/P.'
0154ff50: 00780010 00000008 00000000 00000000 '..x.............'
0154ff60: 00000000 804ff892 00000001 00000118 '......O.........'
0154ff70: 00000124 000001c4 8899b020 a17bad50 '$....... ...P.{.'
0154ff80: 00000000 8899b108 a17bac01 00000000 '..........{.....'
0154ff90: 89d9c9d8 80502f34 00000000 00000000 '....4/P.........'
0154ffa0: 00000000 80502f3c a17baca0 806e5ef2 '....</P...{..^n.'
0154ffb0: 00000002 0154ffec 7c80b699 00000000 '......T....|....'
0154ffc0: 7c96f040 ffffffff 00000000 7ffdc000 '@..|............'
0154ffd0: c0000005 0154ffc0 0154fab4 ffffffff '......T...T.....'
0154ffe0: 7c839af0 7c80b6a0 00000000 00000000 '...|...|........'
0154fff0: 00000000 76b5aee7 00000000 00000000 '.......v........'
01550000: 00000000 00000000 00000000 00000000 '................'
01550010: 00000000 00000000 00000000 00000000 '................'
01550020: 00000000 00000000 00000000 00000000 '................'
01550030: 00000000 00000000 00000000 00000000 '................'
01550040: 00000000 00000000 00000000 00000000 '................'
01550050: 00000000 00000000 00000000 00000000 '................'
01550060: 00000000 00000000 00000000 00000000 '................'
01550070: 00000000 00000000 00000000 00000000 '................'
01550080: 00000000 00000000 00000000 00000000 '................'
01550090: 00000000 00000000 00000000 00000000 '................'
015500a0: 00000000 00000000 00000000 00000000 '................'
015500b0: 00000000 00000000 00000000 00000000 '................'
015500c0: 00000000 00000000 00000000 00000000 '................'
015500d0: 00000000 00000000 00000000 00000000 '................'
015500e0: 00000000 00000000 00000000 00000000 '................'
015500f0: 00000000 00000000 00000000 00000000 '................'
01550100: 00000000 00000000 00000000 00000000 '................'
01550110: 00000000 00000000 00000000 00000000 '................'
01550120: 00000000 00000000 00000000 00000000 '................'
01550130: 00000000 00000000 00000000 00000000 '................'
01550140: 00000000 00000000 00000000 00000000 '................'
01550150: 00000000 00000000 00000000 00000000 '................'
01550160: 00000000 00000000 00000000 00000000 '................'
01550170: 00000000 00000000 00000000 00000000 '................'
01550180: 00000000 00000000 00000000 00000000 '................'
01550190: 00000000 00000000 00000000 00000000 '................'
015501a0: 00000000 00000000 00000000 00000000 '................'
015501b0: 00000000 00000000 00000000 00000000 '................'
015501c0: 00000000 00000000 00000000 00000000 '................'
015501d0: 00000000 00000000 00000000 00000000 '................'
015501e0: 00000000 00000000 00000000 00000000 '................'
015501f0: 00000000 00000000 00000000 00000000 '................'
01550200: 00000000 00000000 00000000 00000000 '................'
01550210: 00000000 00000000 00000000 00000000 '................'
01550220: 00000000 00000000 00000000 00000000 '................'
01550230: 00000000 00000000 00000000 00000000 '................'
01550240: 00000000 00000000 00000000 00000000 '................'
01550250: 00000000 00000000 00000000 00000000 '................'
01550260: 00000000 00000000 00000000 00000000 '................'
01550270: 00000000 00000000 00000000 00000000 '................'
01550280: 00000000 00000000 00000000 00000000 '................'