Under localized (non ENU) environment, assume that you upgrade SQL Server (ENUversion) from 2017 to 2019. When you restartyour system, you may notice that the replication is stopped as logreaderdoesn't execute.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
This issue is fixed in the following cumulative update for SQL Server:
About cumulative updates for SQL Server:
Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. Check out the latest cumulative updates for SQL Server: