In a recent customer trial of our product that uses Aspose Slides 17.1 we encountered a read error trying to read the attached files. This is a log excerpt showing this issue.
2017-09-27 20:37:50.0033186 A LFA 00012 ControllerManager.GetTaskStategdp by industry Jan 2016.zip (1.3 MB)
2017-09-27 20:37:51.0255254 A LFA 00012 ControllerManager.GetTaskState
2017-09-27 20:37:51.3581143 E A001 00015 ProcessFile: (Aspose.Slides.PptxReadException)