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Is there any relatively easy way to convert a program that was written in Windows 3.1 to something that will run in Windows XP? I have tried running the "Translate DOS LW program" command, yet I still receive "Undefined symbol" errors on DOS interrupt calls such as fopen, fseek and fclose. I think that I may have rewrite these functions with their 32-bit file I/O equivalents since WinXP is no longer based on DOS like Win3.1 was. Is there a tutorial out there that I've missed or does anyone have any suggestions? Thanks a lot.