cant download cubase update

ive been trying for a few days now too download the newest Cubase 10.5 update but I cant.
ive tried using the Steinberg download assistant but that’s not work when I start it it seems it cant find the stinberg website.
ive also tried grabbing it from the normal Steinberg website but if I click on the download im getting a blank screen and no download.

can anyone help?also Cubase 10.5.5 wont close and im getting weird behaviour with that too.