Windows 10 May 2020 update breaks the PMView screen capture and may also cause lost resolution if the Windows display scaling is set to anything but 100%
Fortunately the problem is user fixable this time. To fix it:
-Make sure you have the latest PMView version (v3.82 or newer)
-Right click on the PMView icon and select "properties".
-Click the "Compatibility" tab.
-Click the "Change high DPI settings".
-Finally check the "Override" button and choose "Application".
Enjoy!