Also check this Message# 1292065 and the related thread

>What's the best way to troubleshoot a form object not releasing?
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>It is a class based form which I have a variable reference to. Var.Release() or var = .NULL. aren't releasing the form.
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>It seems to point to the fact that something else has a reference to the form but I can't find anything that should/does has a reference.
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>Any help in tracking this down would be appreciated.