If you want to uninstall Windows EE/SE-1 Oracle BI, you are asked for admin password (oc4jadmin) Oracle Container for Java. If you forgot your password, then you can not uninstall correctly ( ... but do not despair, forgotten password, see the Start> All Programs> Oracle Business Intelligence> Stop OC4J> Properties:) Note the operation of the security perspective - you have to Selection:
delete icon "Stop OC4J" and create a full Windows to start and stop OC4J in the background, the process can be found here
use the full Oracle Application Server or other certified AS list can be found here