What is the location of the directory of C header files that match your running kernel? [/usr/src/linux/include] /usr/src/kernels/2.6.18-1.2239.fc5-i686/include The directory of kernel headers (version @@VMWARE@@ UTS_RELEASE) does not match your running kernel (version 2.6.18-1.2239.fc5smp). Even if the module were to compile successfully, it would not load into the running kernel. What is the location of the directory of C header files that match your running kernel? [/usr/src/linux/include] [root@xtel bin]#