Just Upgraded to 17.12.44 - Win 7 Professional
Manager crashes when trying to generate new sales invoice from purchase invoice and need to restart the application again and again.
the latest version is 17.12.48
please download Manager only from the official website and not from any third-party websites.
https://www.manager.io/desktop/download/
try upgrading Manager to the latest version and check if the problem persists.
i am currently using 17.12.44 and i do not have the problem you mentioned.
If you have a crash, you will need to describe more exactly what you did, which edition (desktop/server) you are using, and provide screen shots of any error messages. Then describe exactly the behavior of your machine. “Manager crashes” could mean a wide range of things.