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I just updated to Ubuntu 12.10 but now LaTeX doesn't work any more. Kile always asks me "did you run LaTeX?". I'm quite new in this stuff, so it seems a bit strange for me, because in 12.04 it worked always without any exception. I also tried it with other Editors, but there were similar mistakes, so I guess it is related to the upgrade. Perhaps anybody of you has a hint.

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Have you tried running it through LaTeX instead (ie using the command line): pdflatex /path/to/your/file.tex?. This should help to identify if the source of the problem is LaTeX or Kile. – Salem Nov 9 '12 at 18:54
I tried that and the answer was: " ***/.texmf-var/web2c/pdftex/pdflatex.fmt doesn't match pdftex.pool (Fatal format file error; I'm stymied) " – Lukas Nov 9 '12 at 19:08
@user1562373: And the answer for that is a FAQ. – Martin Schröder Nov 10 '12 at 19:53
up vote 3 down vote accepted

There is a question at StackExchange with a error similar to what you get.

The solution stated there was to remove the ~/.texmf-var folder. Usually this folder only has "auto-generated" files, but try this:

mv ~/.textmf-var ~/textmf-var-mackup

and check if the problem goes away. If not, you can rename the backup folder to its original name.

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Thank you very much, it worked! – Lukas Nov 9 '12 at 20:33
Seems very much like a bug in Ubuntu to me. The default TeXLive does not create ~/.texmf-var, but ~/.texlive$YEAR/.texmf-var. – Martin Schröder Nov 10 '12 at 19:51
The problem seems to be related to the system upgrade: Precise and Quantal use different TexLive versions, so when Ubuntu was upgraded the old remaining files "confused" the new TexLive... – Salem Nov 10 '12 at 21:12

Upgrading has a drawback - programs may not work because of different structures and/or different, new or redundant libraries.

Solution : Try re-installing Kile(or any other program not working).

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Thank you for your answer but I already tried that. The System-Check of Kile found out, that the LaTeX-Binary exists, but doesn't work. Does that give a hint? – Lukas Nov 9 '12 at 18:32

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