Hi, Did not find any response. But since monday, We've got this error on our Win2008 server Log Name: Application Source: Microsoft-Windows-CAPI2 Date: 7/14/2010 9:43:11 AM Event ID: 11 Task Category: None Level: Error Keywords: Classic User: N/A Computer: Server01.contoso.com Description: Failed extract of third-party root list from auto update cab at: <http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab> with error: A required certificate is not within its validity period when verifying against the current system clock or the timestamp in the signed file. . Event Xml: <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event"> <System> <Provider Name="Microsoft-Windows-CAPI2" Guid="{5bbca4a8-b209-48dc-a8c7-b23d3e5216fb}" EventSourceName="Microsoft-Windows-CAPI2" /> <EventID Qualifiers="49154">11</EventID> <Version>0</Version> <Level>2</Level> <Task>0</Task> <Opcode>0</Opcode> <Keywords>0x80000000000000</Keywords> <TimeCreated SystemTime="2010-07-14T13:43:11.000Z" /> <EventRecordID>16449</EventRecordID> <Correlation /> <Execution ProcessID="0" ThreadID="0" /> <Channel>Application</Channel> <Computer>Server01.contoso.com</Computer> <Security /> </System> <EventData> <Data>http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab</Data> <Data>A required certificate is not within its validity period when verifying against the current system clock or the timestamp in the signed file. </Data> </EventData> </Event> Tried this : http://social.answers.microsoft.com/Forums/en-US/vistawu/thread/685e65f6-72a7-4986-b02c-f17e8be78926/ but error reappeared Enabled operation log : EventAuxInfo [ ProcessName] lsass.exe [ impersonateToken] S-1-5-20 - CorrelationAuxInfo [ TaskId] {B3D45F37-CF00-4EBF-BA1F-C44A345EE106} [ SeqNumber] 3 - Result A certificate chain processed, but terminated in a root certificate which is not trusted by the trust provider. [ value] 800B0109 In some post, could could be MS certificate, some said it could be ignore. I'm not sure! Thanks, Jasmin

Hi, Please refer to the following KB article for the causes and workarounds of the event: 976235 You receive an error message that contains the event ID 11 error code when you try to update your Windows Vista-based computer by using Windows Update or Microsoft Update http://support.microsoft.com/default.aspx?scid=kb;EN-US;976235This posting is provided "AS IS" with no warranties, and confers no rights. Please remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.

Thanks Joson, It's a Win2008 Server and I am Domain Admin. I'll try to install it on another serveur. Deleting the corrupted certificate seem did the trick. It's ok since 2 days, I Let you know, jasmin

Thanks for your update. If you need further assistance, please feel free to respond back.This posting is provided "AS IS" with no warranties, and confers no rights. Please remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.