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#1
Those red items appear to not actually be on your computer but maybe there's a link to get them? That's the difference between Local Size [shows 0] and Remote Size. Should be able to delete the links.
Or it may all be involved with PortUP.
What is PortUp.exe ? PortUp.exe info
The best program I've ever found for locating files is Everything Search Engine. Install it, run it then search for a name, ext, part of a name, etc. and it will show you all occurrences. I can't work without it any more.