You are getting a problem when you install Sage 50 software. Accounts Comparison provides the information about Sage 50 Error 1935 causes and how to resolve it. Error 1935 is a common error that occurs at the time of installation. SAGE 50 accounting software is difficult to use with advanced features. If you are not able to fix then call sage support 1800-942-6705. Visit –  https://www.accountscomparison.com/sage-50-error-1603/