Cashflow Manager Programs require the Region & Language Options to be set to ENGLISH/UK.
To make sure, or edit, your options to ENGLISH/UK, using Widows 10:
Click on your [Start] button
Select [Settings] in the Start Menu
Click on [Time & Language]
Click on [Region & Language]
Make sure the Country or Region is set to United Kingdom, and the Languages includes ENGLISH (UNITED KINGDOM).