Process never ends while conversion of ppt file using Aspose.Slides for .NET

Used Aspose.Slides 18.4

The problem file can be found here (it is too big for attach as .zip):
https://infocorp365-my.sharepoint.com/:u:/g/personal/sergey_azarkevich_ihsmarkit_com/EWVs9KMnMi5KulB76Dg69nYBoZxnT4nEWKxeCbB7vbrdUw?e=KfjfbV

Conversion of ppt file never ends

    using (var p = new Aspose.Slides.Presentation("exmb5kgebr.ppt"))
    {
       Console.WriteLine("Opened.");
        p.Save("1.pptx", Aspose.Slides.Export.SaveFormat.Pptx);
        Console.WriteLine("Saved.");
    }

@sergey.azarkevich,

I have worked with source file and sample code shared by you using Aspose.Slides for .NET 18.4 and have been able to observe the issue. An issue with ID SLIDESNET-40078 has been created in our issue tracking system to further investigate and resolve the issue. This thread has been linked with the issue so that you may be notified once the issue will be fixed.

The issues you have found earlier (filed as SLIDESNET-40078) have been fixed in this update. This message was posted using BugNotificationTool from Downloads module by mudassir.fayyaz