If you get an error during the update of Outbank, that the download cannot be completed, please test the following workaround:
- Quit Outbank
- Open 'Finder', go to the 'Applications' folder and move Outbank from the 'Applications' to the 'Trash'
- Start the Mac App Store and install Outbank as a new app. Your data will be preserved.
If this problem occurs on a regular basis, please contact the Mac App Store Support directly.