Hi I've copied all those into .wine...system32 and also in the same dir as the app but still get: ed (error c0000020). err:module:import_dll Library GLU.dll (which is needed by L"I:\\CPP\\samples\\point.exe") not found err:module:import_dll Library OPENGL.dll (which is needed by L"I:\\CPP\\samples\\point.exe") not found err:module:LdrInitializeThunk Main exe initialization for L"I:\\CPP\\samples\\point.exe" failed, status c0000135 michael@linux-os4n:~/CPP/samples> ^C Many thanks