Hello, since I bought and validated my license after using the trial version of Draft sight,

Hello, since I bought and validated my license after using the trial version of Draft sight, the software closes inappropriately as soon as I open plans, whether they were designed on Draft sight or Autocad 2022. How to do it, urgently?

can I have a contact person who solves this problem?

Or can I have a contact person who solves this problem?