Sorry for the late response. Yes I did login before attempting this. I also just logged out and logged back in to see if it fixed it, but no. I do only have one itch.io account. The file does indeed start with a 9, and here are the results for both commands:
c:\>butler -V v5.0.0, built on May 6 2017 @ 18:14:04, ref 3190ff8469b6167ab2566c7b4c38c57baddcf7ac c:\>butler which You're running butler v5.0.0, built on May 6 2017 @ 18:14:04, ref 3190ff8469b6167ab2566c7b4c38c57baddcf7ac, from the following path: C:\Users\Alex\AppData\Roaming\itch\bin\butler.exe