It looks as if your CentOS is 32-bit. What is:
uname -mr
If it is i686, you should not be installing nx for x86_64. If it is x86_64, then you should not have /usr/lib/NX to begin with.
Akemi
My Centos is x86_64. I've had this machine for 3 years now.
output of uname -mr is
2.6.18-8.1.14.el5 x86_64
I did an rpm -ql on nx and it does look like I have the 386 package installed. Should I just remove iot and install the x86_64?
Michael