Due to many useful features interactive services attract attention of developers and users. Unfortunately due to some reasons Delphi-written interactive service can be unstable after logoff/logon and as a result it can cause AV & Dr.Watson. This article describes the reason of the problem and suggests a solution. Continue... 

The DCOM server that lives in Windows NT service is considered. It is shown that simple combination of Delphi TService application with COM objects in it results to mixture that seems working in simple examples but fails in slightly more complex cases. Read it...