Deployment Workbench MMC Error

Problem,

I am getting MMC console error while opening deployment Workbench at few locations.

Error:

MMC has detected an error in a snap-in and will unload it

FX:-{ffb8695a-66b4-4929-abb6-15cb8bd2ae3d}

Type 'Microsoft.BDD.Workbench.WrapperException' in assembly

Exception type:

  System.Runtime.serialization.SerializationException

Thanks in Advance

Dinesh Vinay