This weekend my laptop with a standalone version of FCS started to fail.<br/>Now after some reboots I keep getting error code: 0x80070643 <br/>&quot;Updated definitions enable detections of the latest harmful or unwanted software and prevent it from running on your computer&quot;<br/><br/>Also my Windows update started to fail and the proposed solution doesn't work.<br/>What can I do to find out what is wrong?<br/><br/>© 2009 Microsoft Corporation. All rights reserved.Mon, 30 Mar 2009 15:19:43 Z8bdc4a21-bc16-48e6-84bc-f38b40971d7ahttp://social.technet.microsoft.com/Forums/en-US/Forefrontclientgeneral/thread/8bdc4a21-bc16-48e6-84bc-f38b40971d7a#8bdc4a21-bc16-48e6-84bc-f38b40971d7ahttp://social.technet.microsoft.com/Forums/en-US/Forefrontclientgeneral/thread/8bdc4a21-bc16-48e6-84bc-f38b40971d7a#8bdc4a21-bc16-48e6-84bc-f38b40971d7aGreyfoxhttp://social.technet.microsoft.com/Profile/en-US/?user=GreyfoxThis weekend my laptop with a standalone version of FCS started to fail.<br/>Now after some reboots I keep getting error code: 0x80070643 <br/>&quot;Updated definitions enable detections of the latest harmful or unwanted software and prevent it from running on your computer&quot;<br/><br/>Also my Windows update started to fail and the proposed solution doesn't work.<br/>What can I do to find out what is wrong?<br/><br/>Mon, 30 Mar 2009 15:19:41 Z2009-03-30T15:19:41Z