i mean the refresh of the web browser thanks a lot TG

thanks a lot, i tried it and it works fine thank u very much for your help TG

Hi, Thanks for help, I've done what u told me, it really helps thanks a lot, i still have a problem, i'm using active directory, i do the following: i change my store location in the app.config of my project like this: msldap://CN=SecurityStore,DC=Myserver SecurityStore : is my store in the autorization manager on the server Myserver : is the name of the server and i have this error: Additional information: COM object with CLSID {B2BCFF59-A757-4B0B-A1BC-EA69981DA69E} is either not valid or not registered. if u can help thanks in advance