I promised to post an update after effectively using the full Windows setup during a few clear nights, so here it is:
I literally experienced no problems whatsoever
The setup appears identically under Windows as my previous setup under Linux
After updating Kstars, everything still works flawlessly
My experience is so positive that I will continue to use the setup under Windows on my Eagle computer
Conclusion: I highly recommend this setup to Windows users who are not or less familiar with Linux.
The only minor comment I can make is that the "What's interesting" option only displays a gray window (see also one of the previous posts).
Can someone of the developers explain the difference between "What's up tonight" & "What's interesting"?
Most likely there is a missing package.