Hello Juanito,
Xlibs and Xorg-7.7-bin both contain the programs xauth, xmodmap and xset with different sizes and creation dates. Previously the ones of Xlibs were in /usr/bin. Now they are also in /usr/local/bin. Is that how it should be or should they only be in either Xlibs or Xorg-7.7-bin?
Regards TinyErestor