What happens if you fool the program by faking a ipconfig.exe? (On Linux you could try something like : cp -rf /usr/lib/wine/secedit.exe.so /usr/lib/wine/ipconfig.exe.so secedit.exe.so is just a stubbed program with no functionality not sure how this would look like on a MAC; if it doesn;t help the program, just remove the fake ipconfig.exe again: rm -rf /usr/lib/wine/ipconfig.exe.so)