Im trying to view a crystal report which was developed in version 8.5 and it was giving me an error. COM object of class 'CrystalRuntime.Application' could not be created.

i havent installed anything. I have coppied the 4 .dll files (crviewer.dll, sviewhlp.dll, swebrs.dll and reportparameterdialog.dll) and registered them.

can someone pl tell me whats can i do to fix this?