MS SQL 2008 Express R2 - Management Studio
SQL Server 2008 R2 and SSMS of the version are out-of-support since a very long time, and especially not on Win 11.
Use the latest SSMS version from
[https://learn.microsoft.com/en-us/sql/ssms/download-sql-server-management-studio-ssms?view=sql-server-ver16