[tex-live] problem after upgrading. on Windows 10.

Pi juanpide at gmail.com
Tue Feb 16 21:31:23 CET 2016


Some days ago I updated Tex Live 2015 with
tlmgr -all
and now my Tex Live doesn't work.
TexStudio says it can't start pdflatex.

If I try to run pfdlatex directly it says.

This is pdfTeX, Version 3.14159265-2.6-1.40.16 (TeX Live 2015/W32TeX)
(preloaded format=pdflatex)
 restricted \write18 enabled.
---! c:/texlive/2015/texmf-var/web2c/pdftex/pdflatex.fmt doesn't match
(Fatal format file error; I'm stymied)

fmtutil --all    doesn't solve the problem either
fmtutil: fmtutil is using the following fmtutil.cnf files (in precedence
order): fmtutil: c:/texlive/2015/texmf-dist/web2c/fmtutil.cnf fmtutil:
fmtutil is using the following fmtutil.cnf file for writing changes:
fmtutil: c:/users/joe/.texlive2015/texmf-config/web2c/fmtutil.cnf Cannot
get a temporary directory after five iterations ... sorry! at
c:/texlive/2015/texmf-dist/scripts/texlive/fmtutil.pl line 334.
C:\texlive\2015\bin\win64\runscript.tlu:659: command failed with exit code
2: perl.exe c:/texlive/2015/texmf-dist/scripts/texlive/fmtutil.pl --all

I've tried to repair everything from Tex Live Manager , runing as admin, no
errors but pdflatex still doesn't work.

I don't use firewall, and the antivirus is not the problem.

What should I do?

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