Many people have always thought that VB is born to achieve a lot of things, such as standard DLL / security multi-thread / control panel programs, I confirmed that VB can realize the above function during practice, today, I bring pure VB to you Windows. service. In fact, some people have been implemented using Microsoft's NTSVC.OCX, but that is, depending on the external components. Now introduces the method that does not rely on external components: http://www.smsoft.ru/en/ntservice.htm I improve, you can add events in the Windows event and correct some of the original issues. Download: http://www.cnblogs.com/files/unruleDboy/vb6svc06june2004_fixed.zip