WSUS Errors - System.BadImageFormatException

• 05 Juli 2012 17:26

   

   
  

  0

  Hello,

  I am getting this error when ever I try to do anything within WSUS (approve updates, run reports, pretty much anything):

  The WSUS administration console has encountered an unexpected error. This may be a transient error; try restarting the administration console. If this error persists,

  Try removing the persisted preferences for the console by deleting the wsus file under %appdata%\Microsoft\MMC\.

  System.BadImageFormatException -- Could not load file or assembly 'System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or one of its dependencies. The module was expected to contain an assembly manifest.

  Source

  Microsoft.UpdateServices.BaseApi

  Stack Trace:

     at Microsoft.UpdateServices.Internal.BaseApi.UpdateServer.GetCurrentUserName()

     at Microsoft.UpdateServices.Internal.BaseApi.Update.Approve(UpdateApprovalAction action, IComputerTargetGroup targetGroup, DateTime deadline, Boolean isAssigned)

     at Microsoft.UpdateServices.Internal.BaseApi.Update.Approve(UpdateApprovalAction action, IComputerTargetGroup targetGroup)

     at Microsoft.UpdateServices.UI.AdminApiAccess.WsusUpdate.Approve(UpdateApprovalAction action, IComputerTargetGroup computerTargetGroup)

     at Microsoft.UpdateServices.UI.AdminApiAccess.WsusUpdate.Approve(UpdateApproval newApproval)

     at Microsoft.UpdateServices.UI.AdminApiAccess.UpdateManager.AsyncUpdateApprovalManager.UpdateApprovalWorker(AsyncOperation asyncOp, SendOrPostCallback completionMethodDelegate, WsusUpdate update, UpdateApproval approval)

  I have tried removing the persisted preferences.

  Thanks in advance for any help/advice given.

  Chris

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