enter image description hereI'm using texstudio on Mac for a long time and everything used to work well. Suddenly, I get the following error message for every tex file I try to run:

Error: Could not start the command: pdflatex -synctex=1 -interaction=nonstopmode "filename".tex

I believe it happened after I made some changes to my python installations on the computer. Any idea?

  • Can you show the "Commands" tab of your texstudio preferences? – user36296 Jan 26 at 18:00
  • As a test: does pdflatex -synctex=1 -interaction=nonstopmode filename work from terminal? – user36296 Jan 26 at 18:01
  • I'm not sure how to use latex in the terminal. I uploaded the folder in the current directory and then past the command you suggested. I got the massege: -bash: pdflatex: command not found – Muly Jan 26 at 18:08
  • I’d guess that the changes made to the python installation played with you PATH variable and you lost /Library/TeX/texbin. What exactly did you change? – Herb Schulz Jan 27 at 20:42
  • After a few hours of searches I found the right path: "/usr/local/texlive/2016/bin/x86_64-darwin/pdflatex". Thanks a lot! – Muly Jan 27 at 20:47

I had the same problem. I could resolve the problem by restoring to default setting using "Preferences > Command" and then the yellow buttons. See the following thread for more information.

Error: TexStudio "Could not start command"

  • Welcome to TeX.SE! – Kurt Apr 14 at 22:30

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