(last updated 2012-09-12) Resource Identifier (RI) Scheme name: res Status: provisional Scheme syntax: res://ieframe.dll/ (Where is the file to load) Scheme semantics: Used by Internet Explorer to display error pages when the server doesn't have its own customized error pages, or when there is no response from the server (in case which the server wasn't found, like when the server is down or the domain isn't registered or when there is no Internet connection, or in case of a timeout). Encoding considerations: Unknown, use with care. Applications/protocols that use this scheme name: Works only in Internet Explorer. Interoperability considerations: Unknown, use with care. Security considerations: Unknown, use with care. Contact: Registering party: Alexey Melnikov Scheme creator: Microsoft Author/Change controller: Either the registering party or someone who is verified to represent the scheme creator. See previous answer. References: http://msdn.microsoft.com/en-us/library/aa767740(v=vs.85).aspx (file created 2012-09-12)