https://www.dotnetzone.gr:443/cs/blogs/commonsense4commonpeople/archive/2009/09/15/visual-studio-debugging-tip.aspxMore than words can say... ntStatus is declared as DWORD or anything equivalent to unsigned long. Works both for Visual Studio 2008 and Visual Studio 2005. Fare well Error Lookup ;-) Have Fun! Dimitris Staikos Διαβάστε περισσότερα »elCommunityServer 2.1 SP3 (Build: 20423.1)