What about #2235? It is a pressing issue for LeastAuthority's Windows-using customers, and there is a patch that is more-or-less complete. (Owned by Daira at the moment.) Regards, Zooko https://tahoe-lafs.org/trac/tahoe-lafs/ticket/2235# Error from 'tahoe cp' on Windows, due to a long path (IOError: Errno2 - no such file or dir.)