I had the exact same problem with acroread failing to update. Menjamin Drung's suggestion worked for me.
-- Cannot update Adobe Acrobat Reader via Update Manager https://bugs.launchpad.net/bugs/247990 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs