[texworks] Message from TeXworks user

[Pascal Lederer]

----- configuration info -----TeXworks version : 0.4.3r858 
(official)Install location : C:/Program 
Files/TeXworks/TeXworks.exeLibrary path : 
C:/Users/Utilisateur/TeXworks\pdfTeX location : C:/Program Files/MiKTeX 
2.9/miktex/bin/pdftex.exeOperating system : Windows Vista Service Pack 
2, 32-bitQt4 version : 4.7.3 (build) / 4.7.3 
(runtime)------------------------------
I-ve got the following error warning: ! Package hyperref Error: Wrong 
DVI mode driver option `ps2pdf',

(hyperref) because pdfTeX or LuaTeX is running in PDF mode.

What I can do about it, so I can get a regular .pdf file from my TeX file?
Thank you!