acroread can't load library libXt.so.6

Hello: I installed the acroread package. I've installed and removed it before, in the past, with no trouble, but this time, I get the following error: /usr/lib/Acrobat3/Reader/intellinux/bin/acroread: can't load \ library 'libXt.so.6' (and that's all on one line). I did a locate

Re: acroread can't load library libXt.so.6

/Acrobat3/Reader/intellinux/bin/acroread: can't load \ library 'libXt.so.6' (and that's all on one line). I did a locate libXt.so and here's what shows up: /usr/lib/libc5-compat/libXt.so.6 /usr/lib/libc5-compat/libXt.so.6.0 /usr/X11R6/lib/libXt.so /usr/X11R6/lib/libXt.so.6 /usr/X11R6