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Good afternoon. I bought a licensed game, but the DVD is not recognized. I checked it with friends and at the store, and it works for them. A friend installed the game on a portable hard drive, and I downloaded a cracked version from the internet and installed it. I wanted to replace the .exe file and start the game, but the patch update fails with the message "game not installed." I'm thinking of adding the data to the registry, but I can't find out how to do it correctly. I need your help.