[Bug 41455] New: Failed assertion in ME_SplitByBacktracking causes crash at end of Jupiter 2011 installer

https://bugs.winehq.org/show_bug.cgi?id=41455

Bug ID: 41455
           Summary: Failed assertion in ME_SplitByBacktracking causes
                    crash at end of Jupiter 2011 installer
           Product: Wine
           Version: 1.9.20
          Hardware: x86-64
               URL: http://pity.elfin.pl/pliki/Jupiter/Jupiter2011/std/1.0
                    .5.6/Jupiter2011_std_1.0.5.exe
                OS: Linux
            Status: NEW
          Keywords: download
          Severity: normal
          Priority: P2
         Component: richedit
          Assignee: [e-mail]
          Reporter: [e-mail]
            Blocks: 30522
      Distribution: Ubuntu

Created attachment 55823
  --> https://bugs.winehq.org/attachment.cgi?id=55823
Crash backtrace

At the end of the installer, one gets a crash from failed assertion

Tested with wine-1.9.20-59-g7756d6b ; Ubuntu 14.04.5

SHA1 3f037f27bbb9654307723f0ac89b2aa39ba21a4c  Jupiter2011_std_1.0.5.exe

Log only shows:

fixme:shell:SHAutoComplete stub
wrap.c:500: ME_SplitByBacktracking: Assertion `i<len' failed.
wine: Assertion failed at address 0xf777b440 (thread 0009), starting
debugger...