Here's what WINEDEBUG=+loaddll wine program.exe outputs: Code: trace:loaddll:load_builtin_dll Loaded L"KERNEL32.dll" at 0x7b810000: builtin trace:loaddll:load_native_dll Loaded L"Z:\\home\\me\\Desktop\\program.exe" at 0x400000: native trace:loaddll:load_builtin_dll Loaded L"C:\\windows\\system32\\msvcrt.dll" at 0x681c0000: builtin trace:loaddll:load_native_dll Loaded L"Z:\\home\\me\\Desktop\\program.dll" at 0x10000000: native So the only wine dlls needed seems to be KERNEL32.dll, which is not a surprise, and msvcrt.dll, am I right? Now how could I create a smallish "portable" wine with only those dlls? By portable I mean that I could use it from a thumb drive on a pc with linux, but without wine. Thank you all for the support again, FG