A sério, não custava muito pois não?

sc delete bblearn-collab
sc delete bblearn-exec
sc delete bblearn-tomcat
rd /s blackboard
C:\Windows\SysWOW64\inetsrv\appcmd delete site "BBLEARN"

DECLARE @jobId binary(16)
SELECT @jobId = job_id FROM msdb.dbo.sysjobs WHERE (name = N'aa_update_BBLEARN')
IF (@jobId IS NOT NULL)
BEGIN
EXEC msdb.dbo.sp_delete_job @jobId
END
SELECT @jobId = job_id FROM msdb.dbo.sysjobs WHERE (name = N'Fill missing Adaptive tool BBLEARN')
IF (@jobId IS NOT NULL)
BEGIN
EXEC msdb.dbo.sp_delete_job @jobId
END
DROP DATABASE BBLEARN;
DROP DATABASE BBLEARN_admin;
DROP DATABASE BBLEARN_cms;
DROP DATABASE BBLEARN_cms_doc;
DROP DATABASE BBLEARN_stats;
DROP LOGIN BBLEARN;
DROP LOGIN BBLEARN_admin;
DROP LOGIN BBLEARN_cms;
DROP LOGIN BBLEARN_report;
DROP LOGIN BBLEARN_stats;