Cubase 5 cannot convert audio when trying to import mp3 to project

i opened up my cubase and all the sudden it stopped letting me import mp3 files says cannot convert supported file type… and dont even start i have cubase 12 just dont know how to opperate it, a window opens up and says cannot convert this type of file
it wont let me import mp3 or wav files into the project also i cannot import from a cd
it says error

ive tried reinstalling it and now it doesnt work any suggestions? please help