New Kleopatra-2.2.0 starts with error in QtCore4.dll

After an update installation from Gpg4Win-2.2.0-light to Gpg4Win-2.2.1-full starting of Kleopatra-2.2.0 isn’t possible, pls see attached screenshot.

How to solve this issue?

(Win7prof-64bit)

bug-kleo.jpg

Is this resolved with 2.2.1 or with Andres little addition for the path problem?