Thread:Project:Support desk/LaTex problem (error on converting png)

Hi, I tried to use the math-tool of wikimedia (I installed XAMPP-Server on openSuse 11.4), but have the following problem: If I want to display some math the wiki page displays the following (german) error message:

"Parser-Fehler (PNG-Konvertierung fehlgeschlagen; korrekte Installation von LaTeX und dvipng überprüfen (oder dvips + gs + convert)): 1+2"

I have tried everything that I could find on any troubleshooting site or in the math-tutorials: - all mentioned executables are in the PATH (I typed "latex", "dvips", "gs", "convert", "dvipng" in the shell and an executable file was started.) - I tried texvc in the command line: texvc /opt/lampp/htdocs/wiki/images/tmp /opt/lampp/htdocs/wiki/images/math "y12=x+2" ...and it works. I got the image in the right folder.

Where is the error? I think there could be a bad variable in the LocalSettings.php, but I don't know what - I have proofed them all 100 times...

I use: MediaWiki 1.16.4 PHP 	5.3.5 (apache2handler) MySQL 	5.5.8 XAMPP: 1.7.4

Thanks for any help!