The installation history reports Error Code: 80131700
The windowsupdate.log is
2004-09-17 17:44:26-0700 1320 6c8 OS Version = 5.1.2600.2.0.65792
2004-09-17 17:44:26-0700 1320 6c8 Computer Brand = TOSHIBA
2004-09-17 17:44:26-0700 1320 6c8 Computer Model = TECRA S1
2004-09-17 17:44:26-0700 1320 6c8 Bios Revision = Version 2.10
2004-09-17 17:44:26-0700 1320 6c8 Bios Name = Insyde Software MobilePRO BIOS
Version 4.00.00
2004-09-17 17:44:26-0700 1320 6c8 Bios Release Date = 2004-04-14T00:00:00
2004-09-17 17:44:26-0700 1320 6c8 Locale ID = 1033
2004-09-17 17:44:26-0700 1320 6c8 ClientVersion: iuengine.dll = 5.4.3790.2182
2004-09-17 17:44:26-0700 1320 6c8 ClientVersion: wuapi.dll = 5.4.3790.2182
2004-09-17 17:44:26-0700 1320 6c8 ClientVersion: wuauclt.exe = 5.4.3790.2182
2004-09-17 17:44:26-0700 1320 6c8 ClientVersion: wuauclt1.exe = 5.4.3790.2182
2004-09-17 17:44:26-0700 1320 6c8 ClientVersion: wuaucpl.cpl = 5.4.3790.2182
2004-09-17 17:44:26-0700 1320 6c8 ClientVersion: wuaueng.dll = 5.4.3790.2182
2004-09-17 17:44:26-0700 1320 6c8 ClientVersion: wuaueng1.dll = 5.4.3790.2182
2004-09-17 17:44:26-0700 1320 6c8 ClientVersion: wuauserv.dll = 5.4.3790.2180
2004-09-17 17:44:26-0700 1320 6c8 ClientVersion: wucltui.dll = 5.4.3790.2182
2004-09-17 17:44:26-0700 1320 6c8 WU client finished Searching for update
2004-09-17 17:44:26-0700 1320 6c8 WU client calls back to search call
WindowsUpdate with code Call complete and error 0
2004-09-17 17:44:26-0700 1320 6c8 WU client completed and deleted call
{27DA701B-8E77-48D2-8171-DDF679885896}
2004-09-17 17:44:29-0700 1320 bb4 WU client succeeds
CClientCallRecorder::BeginInstallUpdates from WindowsUpdate with call id
{16654BA4-0257-485F-8D77-3E2244DB7B00}
2004-09-17 17:44:29-0700 1320 6c8 WU client executing call
{16654BA4-0257-485F-8D77-3E2244DB7B00} of type Install call
2004-09-17 17:44:29-0700 1320 6c8 validate updates before Install
2004-09-17 17:44:30-0700 1320 6c8 prune update list before Install
2004-09-17 17:44:30-0700 1320 6c8 setting system restore point
2004-09-17 17:44:31-0700 1320 694 REPORT EVENT:
{66B5E3B9-AA70-44AA-AB66-90E905C69058} 101 2004-09-17
17:44:26-0700 1 147 101 {00000000-0000-0000-0000-000000000000} 0 0 WindowsUpdate Success Software Synchronization Agent has finished detecting items.
2004-09-17 17:44:31-0700 1320 694 Reopened existing event cache file at
C:\WINDOWS\SoftwareDistribution\EventCache\{821577 43-567F-48B5-865A-B15D67D847C3}.bin for writing.
2004-09-17 17:44:46-0700 1320 694 WU client calls back to install call
{16654BA4-0257-485F-8D77-3E2244DB7B00} with code Call progress and error 0
2004-09-17 17:44:46-0700 1320 6c8 WU client starts install in user context
2004-09-17 17:44:51-0700 1320 6c8 WU client is installing update
{AFCFDECF-2B9F-4881-8CFE-F56ED0DD81AF}.100
2004-09-17 17:45:18-0700 1320 6c8 WU client finishes installing update
{AFCFDECF-2B9F-4881-8CFE-F56ED0DD81AF}.100 with result 0x8024200b
2004-09-17 17:45:21-0700 1320 b8 REPORT EVENT:
{73837F44-D3D0-4AFF-9208-FEDFC6257F94} 102 2004-09-17
17:45:16-0700 1 182 101 {6F5DC828-0F05-4577-9A8A-74AB1CBE00A9} 100 80070643 WindowsUpdate Failure Content
Install Installation Failure: Windows failed to install the following update
with error 0x80070643: Microsoft .NET Framework 1.1 Service Pack 1.
2004-09-17 17:45:21-0700 1320 b8 REPORT EVENT:
{EC8E9614-1D74-49B2-B740-B3B7376AAEFE} 103 2004-09-17
17:45:16-0700 1 182 101 {AFCFDECF-2B9F-4881-8CFE-F56ED0DD81AF} 100 80070643 WindowsUpdate Failure Content
Install Installation Failure: Windows failed to install the following update
with error 0x80070643: Microsoft .NET Framework 1.1 Service Pack 1.
2004-09-17 17:45:27-0700 1320 6c8 system restore point set
2004-09-17 17:45:27-0700 1320 6c8 Agent state changed, signalling AU to
redetect with NO delay
2004-09-17 17:45:27-0700 1320 6c4 AU received event of 3
2004-09-17 17:45:27-0700 1320 6c4 AU received event of 1
2004-09-17 17:45:27-0700 1320 6c4 WU client succeeds
CClientCallRecorder::BeginFindUpdates from AutomaticUpdates with call id
{5954FA42-D009-4280-8286-C798C93A931F}
2004-09-17 17:45:27-0700 1320 6c8 WU client finished installing updates
2004-09-17 17:45:27-0700 1320 6c8 WU client executing call
{5954FA42-D009-4280-8286-C798C93A931F} of type Search Call
2004-09-17 17:45:27-0700 1320 b8 WU client calls back to install call
{16654BA4-0257-485F-8D77-3E2244DB7B00} with code Call complete and error 0
2004-09-17 17:45:27-0700 1320 b8 WU client completed and deleted call
{16654BA4-0257-485F-8D77-3E2244DB7B00}
2004-09-17 17:45:28-0700 1320 6c8 WU client found 0 updates and 10
categories in search
2004-09-17 17:45:28-0700 1320 6c8 WU client finished Searching for update
2004-09-17 17:45:28-0700 1320 6c8 AU Detection callback: 0 updates detected
2004-09-17 17:45:28-0700 1320 6c8 Setting AU scheduled install time to
2004-09-18 10:00:00
2004-09-17 17:45:28-0700 1320 6c8 WU client calls back to search call
AutomaticUpdates with code Call complete and error 0
2004-09-17 17:45:28-0700 1320 6c8 WU client completed and deleted call
{5954FA42-D009-4280-8286-C798C93A931F}
2004-09-17 17:45:28-0700 1320 840 ISusInternal API failed
CClientCallRecorder:

isconnectCall with error 0x8024000c
2004-09-17 17:45:28-0700 2072 9c4 ISusInternal:

isconnectCall failed,
hr=8024000C