Sorted:

Attempted to read or write protected memory in mixed mode module-Collection of common programming errors

problem about pyramid-Collection of common programming errors

Memory Management Headache-Collection of common programming errors

Running time of an application in Visual Studio-Collection of common programming errors

Xcode 4: setting NSZombieEnabled environment variable for all projects?-Collection of common programming errors

Dynamic cast using Type of object C#-Collection of common programming errors

problem about criteria-Collection of common programming errors

Is it possible to generate classes from an xml file?-Collection of common programming errors

Detect windowhandle leaks in a c# application-Collection of common programming errors

Code Contracts in .NET 4.0, no joy for non-nullable reference types fans?-Collection of common programming errors