Do not attempt to install V1.01 over a repack that claims to have "all updates included." This will reverse some changes. Only install on a clean v1.00 base.
For anyone currently archiving or revisiting WWE 2K16 on PC via scene releases, is not optional; it is mandatory. Playing the vanilla 1.00 release is a frustrating experience marred by technical hiccups that the patch largely resolved. WWE 2K16 Update V1.01-CODEX