http://blogs.msdn.com/tom/archive/2008/09/26/event-log-message-after-installing-net-update.aspxIf you try to install a .NET update, MS08-052 for example, you may see an event log that looks like: Event Source: ASP.NET 2.0.50727.0 Event ID: 1018 · Failed while registering ASP.NET (version 2.0.50727.0) in IIS. Error code: 0x80070003 This messageen-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/tom/archive/2008/09/26/event-log-message-after-installing-net-update.aspx#8966286Fri, 26 Sep 2008 13:30:06 GMT91d46819-8472-40ad-a661-2c78acb4018c:8966286a-foton &raquo; Event Log message after installing .NET update<p>PingBack from <a rel="nofollow" target="_new" href="http://blog.a-foton.ru/2008/09/event-log-message-after-installing-net-update/">http://blog.a-foton.ru/2008/09/event-log-message-after-installing-net-update/</a></p>