A abro89 Contributor Joined Jan 14, 2014 Posts 34 Location Brattleboro, VT Jan 14, 2014 #1 hi : I have received some updates for my W7E activated OS. However W7E SP1 will not update. Error 800F0900 is displayed and shows CBS_E_XML_PARSER_FAILURE in CBS.log. CBS.log log is attached as CBS.zip. Many thx and appreciate your help from the very experienced and highly skilled team at Sysnative.