Event code: 3008

I have installed a software which need to use .net ,but after installed and open the default webpage, event log show
 
Event Type: Warning Event Source: ASP.NET 2.0.50727.0 Event Category: Web Event Event ID: 1310 Date:  28/08/2012 Time:  16:24:24 User:  N/A Computer: HKG-ADM-2610-D Description: Event code: 3008 Event message: A configuration error has occurred. Event time: 8/28/2012 4:24:23 PM Event time (UTC): 8/28/2012 8:24:23 AM Event ID: bca1b657a71a44249162de88f6558746 Event sequence: 2 Event occurrence: 1 Event detail code: 0   Application information:     Application domain: /LM/W3SVC/1/Root/PSES-1-129906158474983895     Trust level: Full     Application Virtual Path: /PSES     Application Path: C:\Inetpub\wwwroot\PageScope Enterprise Suite\     Machine name: HKG-ADM-2610-D   Process information:  &nbs ...