Thank you for your help,
I did the change to the file bu now I gte the following error :
Server Error in '/GiftExch2' Application.

Access to the path "C:\WINDOWS\Microsoft.NET\Framework\v1.0.3705\Temporary ASP.NET Files\MyApp\af5a1504\1c47bfc7\hash.web" is denied.

What am I doing wrong?

Thank you again,
Christian