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As JFord said, that can be caused by a hidden window, but it hasn't been heard of in a while. Thought it was fixed(?)
Try approaching it from a hidden window point of view:
minimize the main window (and any others) to reveal any open windows
make sure there is no browser running



once the problem starts, I can't minimize anything (or do much else)...

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check task manager processes and see if bbw2 shows up under processes or applications



BBW2 doesn't show up in task manager as an app, but it does show up as a process. (2nd tab) But even if I close that process, RB remains locked up beyond task manager's ability to pry it loose.

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.. just a few ideas. Kudos to jford for remembering this.


yeah, he must still have brain cells left.

I knew that BBW2 is not BIAB, and that it works with RB.. I was trying to make the point that they show up separately when I try to shut down, and RB is not the app that's locking me up by itself... on one hand, the fact that RB crashes seems to have something to do with BBW2.exe... As a test, I renamed BBW2 so it couldn't start; but the problem still occurred...


regarding CPU usage:
the problematic project actually uses less resources than other projects that don't fail.

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Send that info about the bbw2 report to support and include the modified date of your bbw2 file in the Realband folder. Or chat. Or call.


yeah, I guess it's come to that. Thanks to everybody for your ideas and suggestions.

https://www.dropbox.com/sh/ey71h8ep047758h/AAC12jNM0Hz9Q8zsh5iDeqNHa?dl=0