Last Updated: 2011-03-09 23:13:29 UTC
by Chris Mohan (Version: 1)
Included in this Patch Tuesday is a Forefront update KB2508823 (Client Version: 1.5.1996.0).
We have received a number of reports that the KB2508823 update fails during the install. Once the update fails, the existing Forefront client is also removed. This leaves the machine without any anti-malware protection.
We recommend you hold off deploying the update until confirmation from Microsoft.
Microsoft have posted a similar warning here: