For more information, see Whats new in 2019.1: http://www.sage.com/ca/sage-50-accounting/na/~/media/site/50-pdfs/WhatsNew2019_1EN
Download and install this update
Download is available in KB article 93404
Important: If you use third-party products that integrate with Sage 50, check with the vendor of your third-party product to ensure their product is fully compatible with this release. If you integrate with other Sage products, check with your Certified Consultant or Sage to ensure that their components are compatible.
where is the download link for sage 50 c pro? Accountant ver?