[texworks] Texworks and qtgui4.dll

[Laurent VIDU]

Hello,

I am a new user of Texworks.

More and more often now, texworks crashes while i'm typing  text.
In the report error appears qtgui4.dll.

What is wrong with this library?

thank you




----- configuration info -----
TeXworks version : 0.3r670 (MiKTeX 2.9)
Install location : C:/Program Files/MiKTeX 
2.9/miktex/bin/miktex-texworks.exe
Library path : C:\Documents and Settings\Laurent\Local 
Settings\Application Data\MiKTeX\2.9\TeXworks\
pdfTeX location : C:/Program Files/MiKTeX 2.9/miktex/bin/pdftex.exe
Operating system : Windows Microsoft Windows XP Home Edition Service 
Pack 3 (build 2600)
Qt4 version : 4.7.0 (build) / 4.7.0 (runtime)
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