On 17.02.2017 22:32, Zebediah Figura wrote: > + SEGPTR seg_rclsid = MapLS(rclsid); > + SEGPTR seg_riid = MapLS(riid); > + SEGPTR seg_ppv = MapLS(ppv); You should also unmap them in case of an error. (Or alternatively, you could change the specfile, and pass through the SEGPTRs).