Adobe Reader won't open Tried installing updated Adobe Reader and error came up in the process and told me to contact software manufacturer. Could I uninstall current Adobe Reader and then try installing the current AR? Any ideas?

My Adobe Reader wouldn't download tickets.  Tried opening Adobe Reader application but it would not open.  I saw my Adobe Reader needed to be updated, so I attempted to install new Adobe Reader.  When it came to finalizing, it said there is an error and can't do.  Any ideas?  I have no functioning Adobe reader.  Should I uninstall old Adobe Reader and then try installing the updated AR?