MS pulled the Windows NT 4.0 version of a security patch it issued in December. It led to random crashes and reboots on NT 4.0 systems after it was installed. The problems were solved by removing the patch. The patch repairs a privilege elevation vulnerability that could give a hacker admin privileges through an exploit using a flaw in the WM_TIMER Windows function. MS said it will patch the patch soon. grin Read more at TechNet:<br />http://www.w2knews.com/rd/rd.cfm?id=030210RN-Security_Patch<br /><br />Also, they just issued security bulletins for IE and XP, see article:<br />http://www.w2knews.com/rd/rd.cfm?id=030210RN-Security_Bulletin