The error with the window is know and affect many players. Weird glowing shifting wall bug is the topic for it. For that i’m paging @8BitCrab
As for the roof issue i would say it would most likely fall under [A14/A15] The buildings my hearthling will not build Thread Here there are many buildings that for some reason will not be build.
Your post is very usefull though due to all the vids and extra’s you added. Even if your english is not really good. (My english is not much better i believe)