I lost the installation cd of an older working version, so I followed this guide to install an older version of the software starting from an Updater package (dppm3.15.0-updater), and it works.
I have the same problem on a MacBook Pro (13-inch, Mid 2012) with DPP Version 4.7.20.0: is there a way to disable usage of graphics processor before starting up dpp 4?I don't know if this would solve the problem, since DPP runs fine on a MacBook Pro ...
