[RESOLVED] Big problem with manifest/UserControl combination

[NeedHelp!]

Hello folks, I was facing problems with my VB6 projects lately: they often crashed after closing the application (wanted to send crash information to Microsoft).

I made several tests and figured out, that this only happens, when I use a manifest (it doesn't matter if it is a separate file or in a resource file) AND a noncompiled UserControl (even if it has no single line of code!).

Even an empty project, which only initializes the common controls shows that behavior.
I did try it with both APIs:

Private Declare Sub InitCommonControls Lib "comctl32" ()
Private Declare Function InitCommonControlsEx Lib "comctl32.dll" (ByRef TLPINITCOMMONCONTROLSEX As InitCommonControlsEx) As Long

Interesting is also the fact, that the crashes do not happen on my system (VB6 installed, uxtheme.dll patched), but on other XP systems.
It also seems, that the crashes happen on Vista, but not on 7...

Can somebody help me??