If does not help post your Moneydance errlog.txt file
it should be located at one of these locations within your Home folder:
~/Library/Containers/com.infinitekind.MoneydanceOSX/Data/Library/Application Support/Moneydance/errlog.txt or:
~/Library/Application Support/Moneydance/errlog.txt If you have any trouble finding your Home Library folder, open Finder and select Go -> Go to Folder and and copy and paste in the following:
~/Library This should pull up your local Library folder.