"Cache" (translates to "Hidden") brought me back to my NYU days and some
pompous film teachers who hated American films and only liked foreign
features with subtitles. If it had subtitles then it must be 'art'. (The
notable exceptions were William K. Everson and Leonard Maltin who loved...
The server change over has pretty much resolved now, so there should be no issues, unless you happen to be viewing a cached page.
If you are experiencing any problems opening attachments or any other type of problems, you might want to clear your cache/temporary Internet files.