You really need to post the Document log for us to look at. The above doesn't give us any information. However, I would think of a couple of issues you might check. To Start make sure the service has rights to the files or database that you are trying t load. Also, make sure any DSN are system and not user.
Hi Try following steps.
Step 1:- Goto RUN
Step 2: - Type - dcomcnfg
Step 3: - Window Named "Component Services" will be opened.
Step 4:- Click on + next to "DCOM Config"
5:- Go to "QlikView 7.0 Application"
6:- Right click on that and go to properties
7:- Go to Identity Tab.
8:- Here click on "This User" and enter Admin Username and
9:- Click on OK
The admin is the user which was passed when installing the qlikview server.