go to your gunz folder located most likely at C:\Program Files\F-gunz
then search for a file called Config.xml
and replace everything with this:
Code:
< VIDEO>
< WIDTH>640< /WIDTH>
< HEIGHT>480< /HEIGHT>
< COLORBITS>8< /COLORBITS>
< GAMMA>255< /GAMMA>
< FULLSCREEN>TRUE< /FULLSCREEN>
< REFLECTION>false< /REFLECTION>
< LIGHTMAP>false< /LIGHTMAP>
< DYNAMICLIGHT>false< /DYNAMICLIGHT>
< SHADER>false< /SHADER>
< CHARACTORTEXTURELEVEL>2< /CHARACTORTEXTURELEVEL>
< MAPTEXTURELEVEL>8-file-storage< /MAPTEXTURELEVEL>
< EFFECTLEVEL>0< /EFFECTLEVEL>
< TEXTUREFORMAT>8< /TEXTUREFORMAT>
< NHARDWARETNL>false< /NHARDWARETNL>
< /VIDEO>
without spaces.