As per the last message from dUmAsS, he says, gp4 master won't work with the gpx patch.
I got frustrated and reloaded the game, downloaded gp4 master and I'm getting ready to try to use it with the UNPACTHED game, if that's the best solution. I'm sure that will be a learning experience in itself! So, a couple of minutes ago I go the gpgames home page and I see the following note:
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GP4: Using "Old" Editors With Patched GP4 9.6
You can still edit the GRAPHICS of your patched GP4 game vers. 1.02 (a.k.a. patch 9.6) with GP4Master:
Rename the old 1.0 decrypted gp4.exe to "gp4_old.exe" and copy the renamed file into your main GP4 directory. Next time GP4Master starts, point it to your new file "gp4_old.exe". As said, this way you can only edit the GFX of the game. If you try to edit names, performances, etc. it might crash your game.
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Has anyone done this, and does it work? Does it mater which folder gp4 master is in? I ask the last question because previously I wasn't able to set the path that gp4 master required to operate. Of course, this could be because I didn't follow the above procedure correctly; wouldn't be the first time!!
I made the mistake of going to Viper's site and looking at all the GREAT cars he's drawn, and I won't rest until I can get them into my game!
Again, thanks to all of you guys for your help.
Tazio