...just the same as shown in your 12-year old video about v.1.7
Furniture looks o.k. in 3d window, but in the 2d "plan" window it appears as white rectangle with small pic in the middle. While i rotate/resize furniture, this pictogram doesn't rotates.

SweetHome downloaded just now, all furniture librairies from this site.
It is Win7pro-32, fresh Java8 installed today from Java site. There was no java installed before.

How to troubleshoot this? Can some security settings of Java available thru Java user GUI trigger this?