[Bug 50874] New: MUSICUS!: fails to start with "wine: failed to load start.exe: 40000003"

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=50874

Bug ID: 50874
           Summary: MUSICUS!: fails to start with "wine: failed to load
                    start.exe: 40000003"
           Product: Wine
           Version: 6.5
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

Created attachment 69685
  --> https://bugs.winehq.org/attachment.cgi?id=69685
terminal output

This is reproducible using the free trial, available from
https://musicus.over-drive.jp/trial [click "Download版" on green background].
Run with LANG=ja_JP.UTF-8.

MUSICUS has worked fine in every devel version of WINE since August 2020,
probably earlier.

(According to
https://www.reddit.com/r/wine_gaming/comments/mecka2/wine_failed_to_load_sta...
multiple games are affected.)

Using official winehq repo packages for Ubuntu 20.04, in case it matters.