Are you still experiencing this issue? If yes, could you please confirm if you are facing issue when trying to prepare form or when trying to distribute the form? Is there any error message you are receiving?
Have you tried updating Acrobat as suggested in the link above? If not, try updating Acrobat using "check for updates" option under "Help" menu and check if that resolves the issue. You may also download updates manually using this link: Adobe - Acrobat : For Windows , reboot the machine after installing update and check.