I would recommend contact Ancestry.com Help and report the problem. Find the best number to call for you here: http://c.ancestry.com/Affiliate/Knowledgebase/contact/contac...
Have the link or at least the name of the document you are having trouble with handy so they can check it for corruption.
Have the link or at least the name of the document you are having trouble with handy so they can check it for corruption.