This might be more in the realm of SQL than here but thought perhaps others might have run across this as well. When doing a database maintenance from the Shavlik protect operation menu it is completing but with the following warning
"Delete Agent,Failed,Statement conflicted with constraint. SQL exception message: The DELETE statement conflicted with the REFERENCE constraint "FK_AgentAttachment_Agent". The conflict occurred in database "Protect" table "dbo.AgentAttachment" column 'agentId'"
The only thing I can tell you is the database maintenance is attempting to remove data for agents that have been uninstalled and it's failing. Please open a case if you don't get any responses from other customer here. We'll most likely need to setup a WebEx or get a copy of your database to determine why this is happening.