probem solved
Link is for W8, but I found same for W7 thx.
I didnt know other countries have it different. Where are you going to church then? In saturday or in sunday?
PROBLEM
C:\Windows\System32\scrnsave.scr
and others .scr are "AutoCad Script" type and I can open it only in notepad (no opinion to run or open it in another program)
BTW Why deafult "Start of the Week:" is Sunday?