How can you prevent a user from uploading files via browser? An example is a user uploading attachments to web email account.

You'll have to use windows parental controls with their user name account, If they have a administrator account, http://www.ehow.com/how_8309287_delete-administrator-account-password.html After that you'll have setup a different account for them without admin. privileges and use parental controls like they are a child ;) One computer/ one administrator, You might be able to come up with a group policy but the other users will have to be standard user accounts anyway.

You'll have to use windows parental controls with their user name account, If they have a administrator account, http://www.ehow.com/how_8309287_delete-administrator-account-password.html After that you'll have setup a different account for them without admin. privileges and use parental controls like they are a child ;) One computer/ one administrator, You might be able to come up with a group policy but the other users will have to be standard user accounts anyway.