Windows Update does not work - Error number: 0x800704DD

Hi,

I tried to kickoff Windows Update, but after I choose either Express or
Custom, I get an error web page with the following error code Error number:
0x800704DD

Here are some of the latest lines from the WindowsUpdate.log file...

2008-09-16 11:58:27:296 1460 690 AU #############
2008-09-16 11:58:27:296 1460 690 AU ## START ## AU: Search for updates
2008-09-16 11:58:27:296 1460 690 AU #########
2008-09-16 11:58:27:437 1460 690 AU <<## SUBMITTED ## AU: Search for updates
[CallId = {9AA009E6-301D-4E23-920C-2A29FAEFB632}]
2008-09-16 11:58:29:125 1460 690 AU FATAL: CAUClient::Launch failed, error =
0x800704DD
2008-09-16 11:58:42:171 1460 8c4 Agent *************
2008-09-16 11:58:42:171 1460 8c4 Agent ** START ** Agent: Finding updates
[CallerId = AutomaticUpdates]
2008-09-16 11:58:42:171 1460 8c4 Agent *********
2008-09-16 11:58:42:171 1460 8c4 Agent * Online = No; Ignore download
priority = No
2008-09-16 11:58:42:171 1460 8c4 Agent * Criteria = "IsHidden=0 and
IsInstalled=0 and DeploymentAction='Installation' and IsAssigned=1 or
IsHidden=0 and IsPresent=1 and DeploymentAction='Uninstallation' and
IsAssigned=1 or IsHidden=0 and IsInstalled=1 and
DeploymentAction='Installation' and IsAssigned=1 and RebootRequired=1 or
IsHidden=0 and IsInstalled=0 and DeploymentAction='Uninstallation' and
IsAssigned=1 and RebootRequired=1"
2008-09-16 11:58:42:171 1460 8c4 Agent * ServiceID =
{9482F4B4-E343-43B6-B170-9A65BC822C77}
2008-09-16 11:58:42:171 1460 8c4 Agent * Search Scope = {Machine}
2008-09-16 11:59:21:531 1460 8c4 Agent * Found 0 updates and 13 categories
in search; evaluated appl. rules of 138 out of 375 deployed entities
2008-09-16 11:59:29:796 1460 8c4 Agent *********
2008-09-16 11:59:29:796 1460 8c4 Agent ** END ** Agent: Finding updates
[CallerId = AutomaticUpdates]
2008-09-16 11:59:29:796 1460 8c4 Agent *************
2008-09-16 11:59:29:875 1460 1e0 AU >>## RESUMED ## AU: Search for updates
[CallId = {9AA009E6-301D-4E23-920C-2A29FAEFB632}]
2008-09-16 11:59:29:875 1460 1e0 AU # 0 updates detected
2008-09-16 11:59:29:890 1460 1e0 AU #########
2008-09-16 11:59:29:890 1460 1e0 AU ## END ## AU: Search for updates
[CallId = {9AA009E6-301D-4E23-920C-2A29FAEFB632}]
2008-09-16 11:59:29:890 1460 1e0 AU #############
2008-09-16 11:59:29:890 1460 1e0 AU Setting AU scheduled install time to
2008-09-17 07:00:00
2008-09-16 12:13:16:531 1460 a48 Service WARNING: GetUserTokenFromSessionId
failed with error 800704dd for session 0
2008-09-16 12:13:16:531 3072 8e8 Misc =========== Logging initialized
(build: 7.2.6001.784, tz: -0400) ===========
2008-09-16 12:13:16:531 3072 8e8 Misc = Process: C:\Program Files\Internet
Explorer\iexplore.exe
2008-09-16 12:13:16:531 3072 8e8 Misc = Module:
C:\WINDOWS\system32\wuapi.dll
2008-09-16 12:13:16:531 3072 8e8 COMAPI WARNING: Unable to listen to
self-update/shutdown event (hr=0X800704DD)
2008-09-16 12:13:16:531 3072 8e8 COMAPI WARNING: Unable to establish
connection to the service. (hr=800704DD)
2008-09-16 12:13:18:875 1460 a48 Service WARNING: GetUserTokenFromSessionId
failed with error 800704dd for session 0
2008-09-16 12:13:18:890 3072 8e8 COMAPI WARNING: Unable to listen to
self-update/shutdown event (hr=0X800704DD)
2008-09-16 12:13:18:890 3072 8e8 COMAPI WARNING: Unable to establish
connection to the service. (hr=800704DD)
2008-09-16 12:13:20:187 1460 a48 Service WARNING: GetUserTokenFromSessionId
failed with error 800704dd for session 0
2008-09-16 12:13:20:187 3072 8e8 COMAPI WARNING: Unable to listen to
self-update/shutdown event (hr=0X800704DD)
2008-09-16 12:13:20:187 3072 8e8 COMAPI WARNING: Unable to establish
connection to the service. (hr=800704DD)
2008-09-16 12:13:24:015 3072 8e8 Misc =========== Logging initialized
(build: 7.2.6001.784, tz: -0400) ===========
2008-09-16 12:13:24:015 3072 8e8 Misc = Process: C:\Program Files\Internet
Explorer\iexplore.exe
2008-09-16 12:13:24:031 3072 8e8 Misc = Module:
C:\WINDOWS\system32\wuweb.dll
2008-09-16 12:13:24:015 3072 8e8 Misc Validating signature for
C:\WINDOWS\SoftwareDistribution\WuRedir\9482F4B4-E343-43B6-B170-9A65BC822C77\muv3wuredir.cab:
2008-09-16 12:13:24:296 3072 8e8 Misc Microsoft signed: Yes
2008-09-16 12:13:24:500 3072 8e8 Misc Validating signature for
C:\WINDOWS\SoftwareDistribution\WuRedir\9482F4B4-E343-43B6-B170-9A65BC822C77\muv3wuredir.cab:
2008-09-16 12:13:24:515 3072 8e8 Misc Microsoft signed: Yes
2008-09-16 12:13:24:578 3072 8e8 Misc Validating signature for
C:\WINDOWS\SoftwareDistribution\WebSetup\wuident.cab:
2008-09-16 12:13:24:625 3072 8e8 Misc Microsoft signed: Yes
2008-09-16 12:13:24:640 3072 8e8 Misc Validating signature for
C:\WINDOWS\SoftwareDistribution\WebSetup\wuident.cab:
2008-09-16 12:13:24:656 3072 8e8 Misc Microsoft signed: Yes
2008-09-16 12:13:25:546 3072 8e8 Misc Validating signature for
C:\WINDOWS\SoftwareDistribution\WebSetup\wsus3setup.cab:
2008-09-16 12:13:25:562 3072 8e8 Misc Microsoft signed: Yes
2008-09-16 12:13:25:609 3072 8e8 Setup *********** Setup: Checking whether
self-update is required ***********
2008-09-16 12:13:25:609 3072 8e8 Setup * Inf file:
C:\WINDOWS\SoftwareDistribution\WebSetup\wsus3setup.inf
2008-09-16 12:13:25:625 3072 8e8 Setup Update NOT required for
C:\WINDOWS\system32\cdm.dll: target version = 7.2.6001.784, required version
= 7.2.6001.784
2008-09-16 12:13:25:640 3072 8e8 Setup Update NOT required for
C:\WINDOWS\system32\wuapi.dll: target version = 7.2.6001.784, required
version = 7.2.6001.784
2008-09-16 12:13:25:687 3072 8e8 Setup Update NOT required for
C:\WINDOWS\system32\wuapi.dll.mui: target version = 7.2.6001.784, required
version = 7.2.6001.784
2008-09-16 12:13:25:687 3072 8e8 Setup Update NOT required for
C:\WINDOWS\system32\wuauclt.exe: target version = 7.2.6001.784, required
version = 7.2.6001.784
2008-09-16 12:13:25:687 3072 8e8 Setup Update NOT required for
C:\WINDOWS\system32\wuaucpl.cpl: target version = 7.2.6001.784, required
version = 7.2.6001.784
2008-09-16 12:13:25:750 3072 8e8 Setup Update NOT required for
C:\WINDOWS\system32\wuaucpl.cpl.mui: target version = 7.2.6001.784, required
version = 7.2.6001.784
2008-09-16 12:13:25:750 3072 8e8 Setup Update NOT required for
C:\WINDOWS\system32\wuaueng.dll: target version = 7.2.6001.784, required
version = 7.2.6001.784
2008-09-16 12:13:25:812 3072 8e8 Setup Update NOT required for
C:\WINDOWS\system32\wuaueng.dll.mui: target version = 7.2.6001.784, required
version = 7.2.6001.784
2008-09-16 12:13:25:812 3072 8e8 Setup Update NOT required for
C:\WINDOWS\system32\wucltui.dll: target version = 7.2.6001.784, required
version = 7.2.6001.784
2008-09-16 12:13:25:875 3072 8e8 Setup Update NOT required for
C:\WINDOWS\system32\wucltui.dll.mui: target version = 7.2.6001.784, required
version = 7.2.6001.784
2008-09-16 12:13:25:875 3072 8e8 Setup Update NOT required for
C:\WINDOWS\system32\wups.dll: target version = 7.2.6001.784, required version
= 7.2.6001.784
2008-09-16 12:13:25:875 3072 8e8 Setup Update NOT required for
C:\WINDOWS\system32\wups2.dll: target version = 7.2.6001.784, required
version = 7.2.6001.784
2008-09-16 12:13:25:875 3072 8e8 Setup * IsUpdateRequired = No
2008-09-16 12:13:29:093 3072 8e8 COMAPI -------------
2008-09-16 12:13:29:093 3072 8e8 COMAPI -- START -- COMAPI: Search
[ClientId = WindowsUpdate]
2008-09-16 12:13:29:093 3072 8e8 COMAPI ---------
2008-09-16 12:13:29:234 1460 b34 Service WARNING: GetUserTokenFromSessionId
failed with error 800704dd for session 0
2008-09-16 12:13:29:234 3072 8e8 COMAPI WARNING: Unable to listen to
self-update/shutdown event (hr=0X800704DD)
2008-09-16 12:13:29:234 3072 8e8 COMAPI WARNING: Unable to establish
connection to the service. (hr=800704DD)
2008-09-16 12:13:29:250 3072 8e8 COMAPI - WARNING: Exit code = 0x800704DD
2008-09-16 12:13:29:250 3072 8e8 COMAPI ---------
2008-09-16 12:13:29:250 3072 8e8 COMAPI -- END -- COMAPI: Search
[ClientId = <NULL>]
2008-09-16 12:13:29:250 3072 8e8 COMAPI -------------
2008-09-16 12:13:29:250 3072 8e8 COMAPI FATAL: Unable to initiate
asynchronous search, hr=800704DD
--
Thanks,
MC