I was having errors installing the update. It worked after I disabled
Symantec Antivirus (corporate).

2005-12-01 12:14:27 1008 420 AU #############
2005-12-01 12:14:27 1008 420 AU ## START ## AU: Download updates
2005-12-01 12:14:27 1008 420 AU #########
2005-12-01 12:14:27 1008 420 AU # Approved updates = 1
2005-12-01 12:14:28 1008 420 AU AU initiated download, updateId =
{70ABEBD2-F515-4BD4-8683-0796F949792F}.103, callId =
{1DD1491A-5841-48F8-9239-D8161736C590}
2005-12-01 12:14:28 1008 420 AU AU setting pending client directive to
'Download Progress'
2005-12-01 12:14:28 1008 694 DnldMgr *************
2005-12-01 12:14:28 1008 420 AU # Pending download calls = 1
2005-12-01 12:14:28 1008 420 AU <<## SUBMITTED ## AU: Download updates
2005-12-01 12:14:28 1008 694 DnldMgr ** START ** DnldMgr: Downloading
updates [CallerId = AutomaticUpdates]
2005-12-01 12:14:28 1008 694 DnldMgr *********
2005-12-01 12:14:28 1008 694 DnldMgr * Priority = 1, ServiceId =
{9482F4B4-E343-43B6-B170-9A65BC822C77}
2005-12-01 12:14:28 1008 694 DnldMgr * Updates to download = 1
2005-12-01 12:14:28 1008 694 Agent * Title = Update Rollup 1 for Windows
2000 Service Pack 4 (KB891861)
2005-12-01 12:14:28 1008 694 Agent * UpdateId =
{70ABEBD2-F515-4BD4-8683-0796F949792F}.103
2005-12-01 12:14:28 1008 694 Agent * Bundles 1 updates:
2005-12-01 12:14:28 1008 694 Agent *
{93F158AA-A9F2-452D-9B9D-A117ABCFA7B9}.102
2005-12-01 12:14:28 1008 694 DnldMgr *********** DnldMgr: Downloading
regulation Odf ***********
2005-12-01 12:14:28 1008 694 DnldMgr * ServiceId =
{9482F4B4-E343-43B6-B170-9A65BC822C77}
2005-12-01 12:14:28 1008 694 DnldMgr * URL =
http://rs.update.microsoft.com/odf/v6odf.xml
2005-12-01 12:14:28 1008 694 DnldMgr * Odf parameters...
2005-12-01 12:14:28 1008 694 DnldMgr * Refresh interval: 5
2005-12-01 12:14:28 1008 694 DnldMgr * Accept rate high: 10000
2005-12-01 12:14:28 1008 694 DnldMgr * Accept rate normal: 10000
2005-12-01 12:14:28 1008 694 DnldMgr * Accept rate low: 10000
2005-12-01 12:14:28 1008 694 DtaStor Update service properties: service
registered with AU is {9482F4B4-E343-43B6-B170-9A65BC822C77}
+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+= +=+=+=+=+=+
+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+= +=+=+=+=+=+
2005-12-01 12:14:28 1008 694 DtaStor WARNING: Update Service: Failed to
update backup store
+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+= +=+=+=+=+=+
+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+= +=+=+=+=+=+
2005-12-01 12:14:28 1008 694 DnldMgr *********** DnldMgr: New download job
[UpdateId = {93F158AA-A9F2-452D-9B9D-A117ABCFA7B9}.102] ***********
2005-12-01 12:14:28 1008 694 DnldMgr * Queueing update for download
handler request generation.
2005-12-01 12:14:28 1008 694 DnldMgr Generating download request for update
{93F158AA-A9F2-452D-9B9D-A117ABCFA7B9}.102
2005-12-01 12:14:30 1008 694 Handler Windows Patch download for UpdateId =
{93F158AA-A9F2-452D-9B9D-A117ABCFA7B9}: selected action is download express
(delta).
2005-12-01 12:14:32 1008 694 DnldMgr *********** DnldMgr: New download job
[UpdateId = {93F158AA-A9F2-452D-9B9D-A117ABCFA7B9}.102] ***********
2005-12-01 12:14:32 1008 694 DnldMgr * All files for update were already
downloaded and are valid.
2005-12-01 12:14:32 1008 694 DtaStor Update service properties: service
registered with AU is {9482F4B4-E343-43B6-B170-9A65BC822C77}
2005-12-01 12:14:32 1008 694 DtaStor WARNING: Update Service: Failed to
update backup store
2005-12-01 12:14:32 1008 694 Agent *********
2005-12-01 12:14:32 1008 694 Agent ** END ** Agent: Downloading updates
[CallerId = AutomaticUpdates]
2005-12-01 12:14:32 1008 694 Agent *************
2005-12-01 12:14:32 1008 694 Report REPORT EVENT:
{E3FCC1D9-84D2-4BB6-9E5D-BAC0CF91F5EC} 2005-12-01 12:14:23-0500 1 183 101
{70ABEBD2-F515-4BD4-8683-0796F949792F} 103 0 AutomaticUpdates Success
Content Install Installation Successful: Windows successfully installed the
following update: Update Rollup 1 for Windows 2000 Service Pack 4 (KB891861)
2005-12-01 12:14:32 1008 694 AU >>## RESUMED ## AU: Download update
[UpdateId = {70ABEBD2-F515-4BD4-8683-0796F949792F}, succeeded]
2005-12-01 12:14:32 1008 694 AU #########
2005-12-01 12:14:32 1008 694 AU ## END ## AU: Download updates
2005-12-01 12:14:32 1008 694 AU #############