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VB6 32 bit compiled application will not run on 64 bit Windows 7

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This is an ancient (15 year old) project that I made some changes to, incorporating com+ objects into the main executable file, since there's no longer a need for MTS and I thought I could help reduce dll hell. Application runs great under the VB6 IDE, but when I make the .exe file to go along with it and attempt to install on another computer, nothing happens when the app is launched, other than a "beep." This originally used a Wise application installer that created a "client application proxy" but no longer have access to that installer. I downloaded inno and it puts together a very nice package but something must be missing.

Have been reading posts all day long, looked at the dependency tree using depends.exe, tried copying every dll I could think of into system64wow, watched the output of processmonitor repeatedly, but still have no clue as to what is missing and why the app won't run. I will keep searching, because this is a critical project with a short deadline, but in case someone sees this and has experience with the issue I'd appreciate your guidance.

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