View the full file path in a Windows error dialog box

Recently on a PC, upon logging in, a dialog box appears with an error about "some 64 bit file couldn't be opened in a 32 bit environment" or something similar, the message contents aren't super important. The main question is, the title of the dialog box was a very simplified pathname, but it was very long and mostly obscured. Is there a way to determine this full pathname from the dialog box?

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