Using Custom Error Pages in SharePoint 2010
Unless you love the default SharePoint 2010 error pages for 404 (not found) and 401 (access denied), it is usually a good idea to change them. The steps are a bit different than a standard ASP.net application. 1) Browse to C:\inetpub\custerr\ 2) You should now see a list of localization folders like en-US or fr-FR. …