Program not open

i have Error message received when i try to open the program after last updated , it is shown like this:
error%20massage

Update Manager to the latest version. This will fix the issue.

from where i can update

always download from the official website. https://www.manager.io/desktop/download/
just download and install it without uninstalling the already installed version on your computer.

a business data file, once used in a newer version of Manager will not work again on an older version.