They're not exactly duplicates. Any program that tries to save data in Program Files is prevented from doing so, and instead those files or folders are kept in the virtual store. Subsequently if those programs attempt to read back those files, they are fetched from virtual store.

So - what's in there isn't junk. It's stuff you saved or wanted to save, or installed using 3rd party installers from Daz, and had to go SOMEWHERE but these old programs were going to put those thing in the main runtime in Program Files, which is now a no-no. That looks exactly like a virus depositing things in vulnerable places that later get executed.

My point was the things you're trying to delete are probably here in Virtual Store, and you should go ahead and delete those specific things. Do not just go and delete all your Poser stuff in Virtual Store because everything you ever installed in your main runtime is here now and you'd lose it all.

Just browse through it and delete what you were trying to get rid of.

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Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)