Hello everybody.
Thank you so much for the information you have posted, everything I needed I have found with your help.
But I can seem to find a solution for this weird problem.

I am using UDK 3 and the thing is, when I open some maps I have created, UDK substitutes all the dots in my decimal values for commas. And I mean all of them.
This causes many problems, specially with materials (error X3014: incorrect number of arguments for numeric type constructor) and I can't texturize my terrains correctly, come strange color pattern of magenta, green and cyan is shown instead of my material.
The strange thing is that sometimes in the map that is opened by default the dots are where they are supposed to be. But in the moment I open another map, or fully load a package the dots are changed for commas.

And this is what I get in the launch.log file. There are a LOT of those statements in my file, I assume there is one for each material/material instance/texture.

Code:
[0001.08] Error: ImportText (LightingOnlyBrightness): Unknown member 000000,G in: (R=0,000000,G=0,000000,B=0,000000,A=1,000000)
[0001.08] Error: ImportText (LightingOnlyBrightness): Unknown member 000000,B in: (R=0,000000,G=0,000000,B=0,000000,A=1,000000)
[0001.08] Error: ImportText (LightingOnlyBrightness): Unknown member 000000,A in: (R=0,000000,G=0,000000,B=0,000000,A=1,000000)
[0001.08] Error: ImportText (LightingOnlyBrightness): Missing value for property '000000)'
[0001.08] Error: ImportText (ShaderComplexityColors): Unknown member 000000,G in: (R=0,000000,G=0,000000,B=0,000000,A=1,000000)
[0001.08] Error: ImportText (ShaderComplexityColors): Unknown member 000000,B in: (R=0,000000,G=0,000000,B=0,000000,A=1,000000)
[0001.08] Error: ImportText (ShaderComplexityColors): Unknown member 000000,A in: (R=0,000000,G=0,000000,B=0,000000,A=1,000000)
[0001.08] Error: ImportText (ShaderComplexityColors): Missing value for property '000000)'
Thank you in advance, I really need to fix this. I have reinstalled the program three times now and really need to finish this little project for school.