My operating system is Windows 10 (64bit). PortraitPro 17 plugin works fine with Affinity 1.6.5.135. Now that I upgraded to Affinity 1.7.0.367 Affinity freeze when I use the PortraitPro plugin. It is however working fine with Nik Collection. I re-installed Affinity 1.6 and PortraitPro is working fine again.