404 and Page Not Found error on Sharepoint Site - microsoft.public.sharepoint.windowsservices

Message from discussion 404 and Page Not Found error on Sharepoint Site
Path: g2news1.google.com!postnews.google.com!n59g2000hsh.googlegroups.com!not-for-mail
From: robin.shaw...@googlemail.com
Newsgroups: microsoft.public.sharepoint.windowsservices
Subject: Re: 404 and Page Not Found error on Sharepoint Site
Date: 28 Mar 2007 13:44:50 -0700
Organization: http://groups.google.com
Lines: 18
Message-ID: <1175114690.238216.299340@n59g2000hsh.googlegroups.com>
References: <1175109161.699907.211080@n76g2000hsh.googlegroups.com>
   <1175109983.792844.239680@r56g2000hsd.googlegroups.com>
NNTP-Posting-Host: 62.49.251.25
Mime-Version: 1.0
Content-Type: text/plain; charset="iso-8859-1"
X-Trace: posting.google.com 1175114691 9300 127.0.0.1 (28 Mar 2007 20:44:51 GMT)
X-Complaints-To: groups-abuse@google.com
NNTP-Posting-Date: Wed, 28 Mar 2007 20:44:51 +0000 (UTC)
In-Reply-To: <1175109983.792844.239680@r56g2000hsd.googlegroups.com>
User-Agent: G2/1.0
X-HTTP-UserAgent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; InfoPath.1; .NET CLR 2.0.50727),gzip(gfe),gzip(gfe)
X-HTTP-Via: 1.1 SBS001
Complaints-To: groups-abuse@google.com
Injection-Info: n59g2000hsh.googlegroups.com; posting-host=62.49.251.25;
   posting-account=zGZusA0AAACCqlEE-D44HtUoNcSwURwG

Just got the same problem too after discovering that update services
in sbs 2003 has installed it as a critical update on 27 March.

Event Type:	Error
Event Source:	Windows SharePoint Services 3
Event Category:	Topology
Event ID:	6800
Date:		28/03/2007
Time:		21:01:50
User:		N/A
Computer:	SBS001
Description:
The database SharePoint_AdminContent_87e28dcd-3e40-4d34-b88c-
de20bbfc9507 on SERVER\Microsoft##SSEE is not accessible to missing
Windows Internal Database signatures.