TeXLive 2020, Can't use lualatex on Windows

[Hoffmann, Jobst]

Am Dienstag, den 13.10.2020, 16:23 -0300 schrieb George N. White III:
> On Tue, 13 Oct 2020 at 14:11, Hoffmann, Jobst
> <j.hoffmann at fh-aachen.de> wrote:
> > Hi all,
> > 
> > I try to compile a small LaTeX-file (the content doesn't matter), it
> > ends with an error message
> > 
> > Der Prozedureinsprungpunkt "u8getmbstring" wurde in der DLL
> > "E:\texlive\2020\bin\win32\luahbtex.dll" nicht gefunden
> > 
> > the English version would be something like
> > 
> > The procedure entry point "u8getmbstring" wasn't found in the DLL
> > "E:\texlive\2020\bin\win32\luahbtex.dll"
> > 
> > The same happens when I try to update my TeXLive 2020 installation
> > using
> > TLShell.exe (tlmgr works fine).
> > 
> > If I have a look at that DLL, I see a string "u8getmbstring". What
> > can I
> > do?
> > 
> 
> There have been several previous reports of this problem.  I gather it
> can occur if
> the lua libraries get out of sync with the luatex program.  Maybe the
> mirror you used
> was not fully updated.   

You are right. Updating luatex.win32 solved the problem.

> 
> With linux available via Windows 10 WSL2, I find Debian's TeX
> Live packages faster 
> with fewer problems than the native Windows TeX Live.   The only
> downside is the manual
> configuration needed to use Windows fonts.

IMHO that's unfortunately no option for beginners, but I will try it.

Thank you very much.
Jobst
> -- 
Prof. i.R. Dr. Jobst Hoffmann       Tel:   +49 (241) 6009-5 31 59
Fachhochschule Aachen Abt. Jülich   Fax:   +49 (241) 6009-5 31 89
Fachbereich 09                      email: j.hoffmann at fh-aachen.de