Unable to Restart the SQL server Agent from SSCM
Since we identified it was a permissions issue via the comments, I would suggest you adjust the account running the SQL Agent service to something different if this is a server.  Microsoft does a great job to outline the permissions needed for the SQL Agent service account.  That article also highlights a few pitfalls regarding some minimal permission grants you want to do so users outside of the sysadmin role can properly utilize Proxy accounts, etc.

If it's your local PC, it likely doesn't matter that you adjust this account nearly as much since that service isn't configured for automatic startup by default.

Glad you got it sorted.