Bellow i put WindowsUpdate.log from client:
2012-09-07 13:14:00:546 776 554 AU Triggering AU detection through DetectNow API
2012-09-07 13:14:00:546 776 554 AU Triggering Online detection (non-interactive)
2012-09-07 13:14:00:546 776 510 AU #############
2012-09-07 13:14:00:546 776 510 AU ## START ## AU: Search for updates
2012-09-07 13:14:00:546 776 510 AU #########
2012-09-07 13:14:00:546 776 510 AU <<## SUBMITTED ## AU: Search for updates [CallId = {E6B34A39-6CB4-4F23-8B0A-757F841C9863}]
2012-09-07 13:14:00:546 776 904 Agent *************
2012-09-07 13:14:00:546 776 904 Agent ** START ** Agent: Finding updates [CallerId = AutomaticUpdates]
2012-09-07 13:14:00:546 776 904 Agent *********
2012-09-07 13:14:00:546 776 904 Agent * Online = Yes; Ignore download priority = No
2012-09-07 13:14:00:546 776 904 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"
2012-09-07 13:14:00:546 776 904 Agent * ServiceID = {3DA21691-E39D-4DA6-8A4B-B43877BCB1B7} Managed
2012-09-07 13:14:00:546 776 904 Agent * Search Scope = {Machine}
2012-09-07 13:14:00:546 776 904 Misc Validating signature for C:\WINDOWS\SoftwareDistribution\SelfUpdate\Default\wuident.cab:
2012-09-07 13:14:00:546 776 904 Misc Microsoft signed: Yes
2012-09-07 13:14:00:546 776 904 Misc Validating signature for C:\WINDOWS\SoftwareDistribution\SelfUpdate\Default\wuident.cab:
2012-09-07 13:14:00:562 776 904 Misc Microsoft signed: Yes
2012-09-07 13:14:00:562 776 904 Misc Validating signature for C:\WINDOWS\SoftwareDistribution\SelfUpdate\Default\wsus3setup.cab:
2012-09-07 13:14:00:562 776 904 Misc Microsoft signed: Yes
2012-09-07 13:14:00:562 776 904 Setup *********** Setup: Checking whether self-update is required ***********
2012-09-07 13:14:00:562 776 904 Setup * Inf file: C:\WINDOWS\SoftwareDistribution\SelfUpdate\Default\wsus3setup.inf
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\system32\cdm.dll: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\system32\wuapi.dll: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\MUI\FALLBACK\0404\wuapi.dll.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\MUI\FALLBACK\0407\wuapi.dll.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\system32\wuapi.dll.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\MUI\FALLBACK\040c\wuapi.dll.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\MUI\FALLBACK\0410\wuapi.dll.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\MUI\FALLBACK\0411\wuapi.dll.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\MUI\FALLBACK\0412\wuapi.dll.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\MUI\FALLBACK\0804\wuapi.dll.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\MUI\FALLBACK\0c0a\wuapi.dll.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\system32\wuauclt.exe: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\system32\wuaucpl.cpl: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\MUI\FALLBACK\0404\wuaucpl.cpl.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\MUI\FALLBACK\0407\wuaucpl.cpl.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\system32\wuaucpl.cpl.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\MUI\FALLBACK\040c\wuaucpl.cpl.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\MUI\FALLBACK\0410\wuaucpl.cpl.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\MUI\FALLBACK\0411\wuaucpl.cpl.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\MUI\FALLBACK\0412\wuaucpl.cpl.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\MUI\FALLBACK\0804\wuaucpl.cpl.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\MUI\FALLBACK\0c0a\wuaucpl.cpl.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\system32\wuaueng.dll: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\MUI\FALLBACK\0404\wuaueng.dll.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\MUI\FALLBACK\0407\wuaueng.dll.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\system32\wuaueng.dll.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\MUI\FALLBACK\040c\wuaueng.dll.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\MUI\FALLBACK\0410\wuaueng.dll.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\MUI\FALLBACK\0411\wuaueng.dll.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\MUI\FALLBACK\0412\wuaueng.dll.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\MUI\FALLBACK\0804\wuaueng.dll.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\MUI\FALLBACK\0c0a\wuaueng.dll.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\system32\wucltui.dll: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\MUI\FALLBACK\0404\wucltui.dll.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\MUI\FALLBACK\0407\wucltui.dll.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\system32\wucltui.dll.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\MUI\FALLBACK\040c\wucltui.dll.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\MUI\FALLBACK\0410\wucltui.dll.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\MUI\FALLBACK\0411\wucltui.dll.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\MUI\FALLBACK\0412\wucltui.dll.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\MUI\FALLBACK\0804\wucltui.dll.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\MUI\FALLBACK\0c0a\wucltui.dll.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\system32\wups.dll: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\system32\wups2.dll: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\system32\wuweb.dll: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\SysWow64\wuweb.dll: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:562 776 904 Setup Update NOT required for C:\WINDOWS\SysWow64\wuapi.dll: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:578 776 904 Setup Update NOT required for C:\WINDOWS\SysWOW64\wuapi.dll.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:578 776 904 Setup Update NOT required for C:\WINDOWS\SysWow64\wups.dll: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:578 776 904 Setup Update NOT required for C:\WINDOWS\SysWow64\wups2.dll: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:578 776 904 Setup Update NOT required for C:\WINDOWS\SysWow64\wuaueng.dll: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:578 776 904 Setup Update NOT required for C:\WINDOWS\SysWOW64\wuaueng.dll.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:578 776 904 Setup Update NOT required for C:\WINDOWS\SysWow64\wuaucpl.cpl: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:578 776 904 Setup Update NOT required for C:\WINDOWS\SysWOW64\wuaucpl.cpl.mui: target version = 7.4.7600.226, required version = 7.4.7600.226
2012-09-07 13:14:00:578 776 904 Setup * IsUpdateRequired = No
2012-09-07 13:14:00:671 776 904 PT +++++++++++ PT: Synchronizing server updates +++++++++++
2012-09-07 13:14:00:671 776 904 PT + ServiceId = {3DA21691-E39D-4DA6-8A4B-B43877BCB1B7}, Server URL = http://ks357035:8530/ClientWebService/client.asmx
2012-09-07 13:14:01:093 776 904 PT +++++++++++ PT: Synchronizing extended update info +++++++++++
2012-09-07 13:14:01:093 776 904 PT + ServiceId = {3DA21691-E39D-4DA6-8A4B-B43877BCB1B7}, Server URL = http://ks357035:8530/ClientWebService/client.asmx
2012-09-07 13:14:01:203 776 904 Agent * Found 0 updates and 61 categories in search; evaluated appl. rules of 543 out of 1209 deployed entities
2012-09-07 13:14:01:203 776 904 Agent *********
2012-09-07 13:14:01:203 776 904 Agent ** END ** Agent: Finding updates [CallerId = AutomaticUpdates]
2012-09-07 13:14:01:203 776 904 Agent *************
2012-09-07 13:14:01:203 776 434 AU >>## RESUMED ## AU: Search for updates [CallId = {E6B34A39-6CB4-4F23-8B0A-757F841C9863}]
2012-09-07 13:14:01:203 776 434 AU # 0 updates detected
2012-09-07 13:14:01:203 776 434 AU #########
2012-09-07 13:14:01:203 776 434 AU ## END ## AU: Search for updates [CallId = {E6B34A39-6CB4-4F23-8B0A-757F841C9863}]
2012-09-07 13:14:01:203 776 434 AU #############
2012-09-07 13:14:01:203 776 434 AU Featured notifications is disabled.
2012-09-07 13:14:01:203 776 434 AU AU setting next detection timeout to 2012-09-08 08:39:13
2012-09-07 13:14:01:203 776 434 AU Setting AU scheduled install time to 2012-09-08 01:00:00
2012-09-07 13:14:06:203 776 904 Report REPORT EVENT: {294FAC1F-2AE7-49B4-ADEC-F16790F78FAF} 2012-09-07 13:14:01:203+0200 1 147 101 {00000000-0000-0000-0000-000000000000} 0 0 AutomaticUpdates Success Software Synchronization Windows Update Client successfully detected 0 updates.
2012-09-07 13:14:06:203 776 904 Report REPORT EVENT: {D22EBD61-040A-45DF-9B37-F33544F71893} 2012-09-07 13:14:01:203+0200 1 156 101 {00000000-0000-0000-0000-000000000000} 0 0 AutomaticUpdates Success Pre-Deployment Check Reporting client status.