Run this query against your database, set new_schema as your desired schema, e.g. dbo

exec sp_MSforeachtable "ALTER SCHEMA new_schema TRANSFER ? PRINT '? modified' "

If you are having problems opening documents from your SharePoint site via Windows Vista, then follow the steps given in this post to solve the problem.

In order to disable enhanced security configuration of IE 7.0 in Windows Server 2008, go to Server Configurations, then go to Security section of the root pane, choose Configure IE ESC. This way it will work all fine.

If you are getting access denied while initiating an instance of the Microsoft.Office.Interop namespace, you simply have to follow this guide to resolve the issue. Actually you are granting launch permission for Office Applications to the accounts you are looking for using the above guide.