Creating performance counter category Enterprise Library Caching Counters.An exception occurred during the Install phase (Enteprise Library 4.1 October 2008)

Solve this weird issue by running "lodctr /r" (from Start > Run) or command line. For additional reference on what this command means check the TechNet article at : http://technet.microsoft.com/en-us/library/dd363694(WS.10).aspx