Home Forums Tech Helproom Missing MFC71.DLL Forum Rules | Contact Forum Editor | Report a Post Missing MFC71.DLL weemacs 17:18 30 Dec 2012 Locked The program I am trying to run won't start because the MFC71.DLL file is missing. I am working on syncing my Blackberry Playbook with my phone. Any help greatly appreciated as ever. Thanks Fruit Bat /\0/\ 18:17 30 Dec 2012 you may need to register the dll file. start>run>type.. regsvr32 msvcr71.dll >enter. This thread is now locked and can not be replied to.