http://msmvps.com/blogs/alvin/archive/2008/04/07/com-the-run-time-environment-has-detected-an-inconsistency-in-its-internal-state.aspxDeskTop Heap Exhaustion Ran into another mine field the other day - blew my foot right off before I could even realize what was happening. The client received this error: The run-time environment has detected an inconsistency in its internal state. ThisenCommunityServer 2008.5 SP2 (Build: 40407.4157)