BIP8631
Severity
10 : Warning
Message
Please confirm that you really want to cancel the uninstall? Continuation will leave a potentially nonworking product.
Explanation
You are trying to Cancel the uninstall while files are being deleted. If you continue, then you will have deleted some files from the product and left an incomplete set of files in place. WebSphere Message Broker will be damaged.
Response
If you really mean to cancel then select Yes. In order to restore the product to a working state you will need to reinstall. You should still be able to run uninstall again if you wish.