Hello, I try in my application to execute WMI Methods, for example to Terminate Internet Explorer processes. The problem is that if I put some Release() to IWbemLocator and IWbemService at the end of my program, when I run it again Release function crash it. I have a class that list instances then I send all to another class that deals with Wmi Method. And that crash also my first class for WMI operations and CoCreateInstance fails. It's a big problem for me. I need help. Thanks in advance.