No definitely a win32 app. I persevered and eventually found a unit with qgraphics in the uses clause so problem now fixed :) A dll dependency walker was the tool I was thinking of earlier. Cheers. Alan -------------- next part -------------- An HTML attachment was scrubbed... URL: http://ns3.123.co.nz/pipermail/delphi/attachments/20050706/ec1e4c95/attachment.html