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For any missing library message like this, you can find the package which provides the library by running the "yum provides" command: yum provides /*libg2c.so.0/* which will return a list of packages, and also indicate if the package is already installed or not. Now for the previous message, I assume you're seeing open motif say it's already installed, this is probably due to the RPMs being installed when the source package needs to be built. You can check if the openmotif RPMs are installed with the command: rpm -qa | grep motif and remove any matching packages with the command yum remove RPM_NAME Then you will need to compile and build open motif from the 2.3.3 source tarball as mentioned earlier. Best, Michael James Unidata > > > This error is about libg2c.so.0 > > > > Ticket Details =================== Ticket ID: KUT-192301 Department: Support GEMPAK Priority: Normal Status: Open