Adobe digital edition 2.0 not openned in noraml mode

Hello All,

I am using windows xp sp-2 and i installed the adobe digital edition 2.0 the software requires the below application

1. windows installer 3.1

2 Dot net frame work 3.5 Sp1

we have installed the above software in my system but when i open the adobe digital edition 2.0 means it cannot be openned in normal. but safe mode (with out networking) adobe digital editions open and woking good .....noraml mode it cannot be openned ........

please give me the instrcution ........to resolve the problem ...............

Thanks,

Mano.A