David Bailey wrote: > > Thanks for that - restricting to win32 solved the problem - I hadn't realised that wine now comes with 64-bit capability. > > However, the Mathematica installer automatically detects whether it is running under 32-bit or 64-bit Windows, and installs the right binaries as appropriate, so does my original problem indicate that something is wrong with the 64-bit part of wine? Yes. You should file a bug for that.