I have been having a very similar problem, but changing the days doesn't help, because mine has always been set to 15 days. I believe this is some bug that popped up in the last week or so, because my downloads don't all go back to zero, some of them reset to an odd percentage, but always the same one, so I think all the "saved" in process downloads are "stuck" on some day last week, that's where they keep reverting to, the percent they were completed that day. I also keep getting download that I had deleted back in the active download section, even when I try to permenently delete the files. SOMEBODY HELP US!!!!!