>I have moved the LockObject declaration in my oApp class, which is Shared. This seems to be much better. Basically, the following attached file demonstrates this logic.
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>By looking at it, you will see that a lot of hits happened in the same second when I sent a new DLL. However, only one hit (represented here by the file name - ordered in sequence), got into the initialization process. All other hits fall into a pending mode and jumped directly to the end once the lock was released, thus oApp.lInitializeWeb was then set to True.

Great, that looks like it would work well.