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I just purchased the game through steam, but had previously downloaded and attempted to run a pirated version. (Yeah stupid I know). Now I think it has some registry problems with the old incorrect CD key, but not sure how to delete those files so that I can launch the steam version. I'm getting the following errors: bin/config.bin/CfgInGameUI/MPTable.shadow Error Compiling Pixel Shared PSSpecularAlpha:0