Install Problem texlive

[Ken Brown]

On 1/27/2021 4:04 AM, Graf, Ingbert (HPE Pointnext Global Shared Delivery DACH) 
via Cygwin wrote:
> Hi,
> I’m having trouble running tex after installing the latest updates.
> /etc/postinstall/zp_texlive_finish.dash  stops with the following error:
> 
> fmtutil [ERROR]: running `pdftex -ini   -jobname=xmltex -progname=xmltex *xmltex.ini </dev/null' return status: 1
> fmtutil [ERROR]: returning error due to option --strict
> fmtutil [ERROR]: running `pdftex -ini   -jobname=pdfxmltex -progname=pdfxmltex *pdfxmltex.ini </dev/null' return status: 1
> fmtutil [ERROR]: returning error due to option --strict
> fmtutil [ERROR]: running `pdftex -ini   -jobname=mllatex -progname=mllatex -translate-file=cp227.tcx -mltex *mllatex.ini </dev/null' return status: 1
> fmtutil [ERROR]: returning error due to option --strict
> fmtutil [ERROR]: running `pdftex -ini   -jobname=pdfjadetex -progname=pdfjadetex *pdfjadetex.ini </dev/null' return status: 1
> fmtutil [ERROR]: returning error due to option --strict
> fmtutil [ERROR]: running `pdftex -ini   -jobname=latex-dev -progname=latex-dev -translate-file=cp227.tcx *latex.ini </dev/null' return status: 1
> fmtutil [ERROR]: returning error due to option --strict
> fmtutil [ERROR]: running `pdftex -ini   -jobname=jadetex -progname=jadetex *jadetex.ini </dev/null' return status: 1
> fmtutil [ERROR]: returning error due to option --strict
> fmtutil [ERROR]: running `luahbtex -ini   -jobname=lualatex-dev -progname=lualatex-dev lualatex.ini </dev/null' return status: 1
> fmtutil [ERROR]: returning error due to option --strict
> fmtutil [ERROR]: running `luatex -ini   -jobname=dvilualatex-dev -progname=dvilualatex-dev dvilualatex.ini </dev/null' return status: 1
> fmtutil [ERROR]: returning error due to option --strict
> fmtutil [ERROR]: running `pdftex -ini   -jobname=pdflatex-dev -progname=pdflatex-dev -translate-file=cp227.tcx *pdflatex.ini </dev/null' return status: 1
> fmtutil [ERROR]: returning error due to option --strict
> fmtutil [ERROR]: running `luahbtex -ini   -jobname=lualatex -progname=lualatex lualatex.ini </dev/null' return status: 1
> fmtutil [ERROR]: returning error due to option --strict
> fmtutil [ERROR]: running `pdftex -ini   -jobname=latex -progname=latex -translate-file=cp227.tcx *latex.ini </dev/null' return status: 1
> fmtutil [ERROR]: returning error due to option --strict
> fmtutil [ERROR]: running `pdftex -ini   -jobname=pdflatex -progname=pdflatex -translate-file=cp227.tcx *pdflatex.ini </dev/null' return status: 1
> fmtutil [ERROR]: returning error due to option --strict
> fmtutil [ERROR]: running `luatex -ini   -jobname=dvilualatex -progname=dvilualatex dvilualatex.ini </dev/null' return status: 1
> fmtutil [ERROR]: returning error due to option --strict
> fmtutil [INFO]: disabled formats: 27
> fmtutil [INFO]: successfully rebuilt formats: 20
> fmtutil [INFO]: failed to build: 13 (pdftex/xmltex pdftex/pdfxmltex pdftex/mllatex pdftex/pdfjadetex pdftex/latex-dev pdftex/jadetex luahbtex/lualatex-dev luatex/dvilualatex-dev pdftex/pdflatex-dev luahbtex/lualatex pdftex/latex pdftex/pdflatex luatex/dvilualatex)
> fmtutil [INFO]: total formats: 60
> fmtutil [INFO]: exiting with status 13

I can't reproduce this.  Is this a new TeX Live installation or an upgrade of an 
existing one?

> the simplest LaTeX file does not work.
> 
> pdflatex test
> This is pdfTeX, Version 3.14159265-2.6-1.40.21 (TeX Live 2020/Cygwin) (preloaded format=pdflatex)
> restricted \write18 enabled.
> entering extended mode
> (./test.tex
> LaTeX2e <2020-02-02> patch level 5
> L3 programming layer <2020-03-06>
> (/usr/share/texmf-dist/tex/latex/base/article.cls
> Document Class: article 2020/04/10 v1.4m Standard LaTeX document class
> (/usr/share/texmf-dist/tex/latex/base/size10.clo))
> 
> ! LaTeX Error: File `l3backend.sty' not found.
> 
> Type X to quit or <RETURN> to proceed,
> or enter new name. (Default extension: sty)
> 
> Enter file name:
> ! Emergency stop.
> <read *>
> 
> l.4 \begin
>            {document}^^M
> !  ==> Fatal error occurred, no output PDF file produced!
> Transcript written on test.log.
> 
> 
> 
> cat test.tex
> 
> \documentclass{article}
> \usepackage{l3backend}
> \begin{document}
> Hello!
> \end{document}

The error message is correct.  There is no file l3backend.sty.  Have you seen 
documentation recommending '\usepackage{l3backend}'?

Ken