Cubase 8.5 pro missing vst sound

Hi ,
Today i started my cubase as usually and error message missing vst sound file was apper . I checked and the file was there so i copy and paste again the file and it is start to work with out any problem but then when cubase was finish to upload cubase seems strange and visualky not good see atached pic.
I try to re install and it dont work. I uninstalled and then install and it is still dont work
I need help!
I have win 10
Cubase 8.5.20
Thank you
Avri
image.jpg

How r do i get r find the fix