***Help*** Norton won't scan!

O.k. I am having a porblem. Norton Antivirus 09  will Scan but it doesen't do anything It will just say working but never scans... I can scan in safe mode but it doesent scan everything only a few files.

 

I am running on Vista Home Premium, It's a Sony Vaio Laptop. umm what else I have tried

 

http://www.symantec.com/norton/support/kb/web_view.jsp?wv_type=public_web&docurl=20081023174400EN  

 

http://www.symantec.com/business/security_response/definitions/download/detail.jsp?gid=n95

 

and the  navw32 /L 

 

 

any help would be appreciated.