Instead of searching for the file name, search for the specific collection name (e.g., "Paul Badura-Skoda Schubert Sonatas RCA") on sites like the Internet Archive to find alternative full-set downloads.
Providing that name will help me find an active mirror or an alternative source for you. Diabolus In Musica: Paul Badura-Skoda plays Schubert download-schubert-part3-rar
Many users report dead links in the comment section of the specific post. The uploader sometimes provides "mirror" links or re-uploads requested parts there. Instead of searching for the file name, search