Exchange 2010 not working

Hi.

I have an exchange 2010 Version 14.01.0421.002  that has stopped working. The first error recieved was:

Log Name:      Application
Source:        MSExchangeTransport
Date:          12/4/2012 9:04:38 AM
Event ID:      10003
Task Category: PoisonMessage
Level:         Error
Keywords:      Classic
User:          N/A
Computer:      TCBSBS.tcbdomain.local
Description:
The transport process failed during message processing with the following call stack: Microsoft.Exchange.Data.Mime.MimeException: MIME content error: MIME map data is invalid (1).
   at Microsoft.Exchange.Data.Mime.Internal.MimeCacheMap.Load(Stream cacheStream, CreateFixedStream createFixedStream, DecodingOptions decodingOptions)
   at Microsoft.Exchange.Transport.MimeCache.LoadFromCursor(DataTableCursor cursor)
   at Microsoft.Exchange.Transport.MimeCache.DeferredLoad()
   at Microsoft.Exchange.Transport.MimeCache.get_MimeDocument()
   at Microsoft.Exchange.Transport.TransportMailItem.get_RootPart()
   at Microsoft.Exchange.Transport.DsnGenerator.InternalGenerateDSNs(IReadOnlyMailItem mailItem, IEnumerable recipientList, DsnFlags dsnFlags, String remoteMta)
   at Microsoft.Exchange.Transport.DsnGenerator.GenerateDSNs(IReadOnlyMailItem mailItem, IEnumerable`1 recipientList, String remoteServer, CallerComponent callerComponent)
   at Microsoft.Exchange.Transport.Categorizer.CategorizerComponent.HandleFailedMessage(TransportMailItem transportMailItem, TaskContext taskContext)
   at Microsoft.Exchange.Transport.Categorizer.CategorizerComponent.BifurcateAndHandleFailedMessage(TransportMailItem mailItem, TaskContext taskContext)
   at Microsoft.Exchange.Transport.Categorizer.CategorizerComponent.HandleComponentException(Exception e, TaskContext taskContext)
   at Microsoft.Exchange.Transport.Categorizer.TaskContext.Invoke()
   at Microsoft.Exchange.Transport.Categorizer.CatScheduler.JobThreadEntry(Object ignored)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Threading._ThreadPoolWaitCallback.PerformWaitCallbackInternal(_ThreadPoolWaitCallback tpWaitCallBack)
   at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback(Object state)
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="MSExchangeTransport" />
    <EventID Qualifiers="49156">10003</EventID>
    <Level>2</Level>
    <Task>10</Task>
    <Keywords>0x80000000000000</Keywords>
    <TimeCreated SystemTime="2012-12-04T14:04:38.000000000Z" />
    <EventRecordID>297421</EventRecordID>
    <Channel>Application</Channel>
    <Computer>TCBSBS.tcbdomain.local</Computer>
    <Security />
  </System>
  <EventData>
    <Data>Microsoft.Exchange.Data.Mime.MimeException: MIME content error: MIME map data is invalid (1).
   at Microsoft.Exchange.Data.Mime.Internal.MimeCacheMap.Load(Stream cacheStream, CreateFixedStream createFixedStream, DecodingOptions decodingOptions)
   at Microsoft.Exchange.Transport.MimeCache.LoadFromCursor(DataTableCursor cursor)
   at Microsoft.Exchange.Transport.MimeCache.DeferredLoad()
   at Microsoft.Exchange.Transport.MimeCache.get_MimeDocument()
   at Microsoft.Exchange.Transport.TransportMailItem.get_RootPart()
   at Microsoft.Exchange.Transport.DsnGenerator.InternalGenerateDSNs(IReadOnlyMailItem mailItem, IEnumerable recipientList, DsnFlags dsnFlags, String remoteMta)
   at Microsoft.Exchange.Transport.DsnGenerator.GenerateDSNs(IReadOnlyMailItem mailItem, IEnumerable`1 recipientList, String remoteServer, CallerComponent callerComponent)
   at Microsoft.Exchange.Transport.Categorizer.CategorizerComponent.HandleFailedMessage(TransportMailItem transportMailItem, TaskContext taskContext)
   at Microsoft.Exchange.Transport.Categorizer.CategorizerComponent.BifurcateAndHandleFailedMessage(TransportMailItem mailItem, TaskContext taskContext)
   at Microsoft.Exchange.Transport.Categorizer.CategorizerComponent.HandleComponentException(Exception e, TaskContext taskContext)
   at Microsoft.Exchange.Transport.Categorizer.TaskContext.Invoke()
   at Microsoft.Exchange.Transport.Categorizer.CatScheduler.JobThreadEntry(Object ignored)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Threading._ThreadPoolWaitCallback.PerformWaitCallbackInternal(_ThreadPoolWaitCallback tpWaitCallBack)
   at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback(Object state)</Data>
  </EventData>
</Event>

 We restarted services and server. No luck!

Can't find this in KB.

Any ideas? ???

Thanks in advance?

Dexter