Dear Baj,
thanks for first replay. here my answers.
1. 22H2 22621.2861
2. 5.04
3. 3440*1440 by 100% (it´s an attached Display) without only on a surface with 2736*1824 and 200% it works fine (The setup is the same like fence v3 and this worked fine)
4. 
5. i Don´t test this, bcause the situation was from the start of fence v5
best regards
marco