`ENOENT` when `stat`-ing a file on Windows

[MisterDA]

PS C:\Users\marcd> .\Downloads\bob.com Pictures
Password: theopi-dala
bob: internal error, uncaught exception:
     Unix.Unix_error(Unix.ENOENT, "stat", "Pictures/2013 HERMINIE HANIN/01 PARIS NANTERRE HIST ART/01 COURS NANTERRE/CONCOURS PATRIMOINE/PATRIMOINE AVANT GARDE/INTRODUCTION/06 Pommes rouges au pied d'un arbre, 1871-1872, huile sur toile, 50,5 \195\151 61,5 cm, Bayerische Staatsgem\195\164ldesammlungen, Munich.jpg")
     Raised by primitive operation at Pack.store.compute in file "lib/[pack.ml](http://pack.ml/)", line 327, characters 15-51
     Called from Stream.Flow.filter_map.flow.push in file "lib/[stream.ml](http://stream.ml/)", line 368, characters 8-11
     Called from Stream.Stream.of_iter.stream.go.(fun) in file "lib/[stream.ml](http://stream.ml/)", line 631, characters 20-33
     Called from Stdlib__Queue.iter.iter in file "[queue.ml](http://queue.ml/)", line 121, characters 6-15
     Called from Stdlib__List.iter in file "[list.ml](http://list.ml/)", line 110, characters 12-15
     Called from Fiber.run.loop in file "lib/[fiber.ml](http://fiber.ml/)", line 501, characters 4-29
     Called from Fiber.run in file "lib/[fiber.ml](http://fiber.ml/)", line 507, characters 2-9
     Called from Dune__exe__Send.run in file "bin/[send.ml](http://send.ml/)", line 123, characters 4-123
     Called from Cmdliner_term.app.(fun) in file "duniverse/cmdliner/src/[cmdliner_term.ml](http://cmdliner_term.ml/)", line 24, characters 19-24
     Called from Cmdliner_term.ret.(fun) in file "duniverse/cmdliner/src/[cmdliner_term.ml](http://cmdliner_term.ml/)", line 33, characters 25-32
     Called from Cmdliner_eval.run_parser in file "duniverse/cmdliner/src/[cmdliner_eval.ml](http://cmdliner_eval.ml/)", line 34, characters 37-44

Running with -vvv doesn't give anything more.