Urgent.. too long process of grouping data flows afterwards

Question: I am on version 3.0B. During Business Content Activation, when i tried to group the data flows afterwards, even with a single info cube, it last very very long.. Is there a problem with installation or do we have to apply some OSS notes? did anyone face this problem before? . How can I solve it? Any help would be greatly appreciated...

Answer:
Try putting the installation process in the background.
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