Installing VMware server

[John Bowden <john.bowden43@xxxxxxxxxxxxxxxx>]

Hi Foks. I.m trying to install VMware to run windoz and my windows
games. When comiling I get this message:-

Building the vmmon module.

Using 2.6.x kernel build system.
make: Entering directory `/tmp/vmware-config4/vmmon-only'
make -C /usr/src/kernels/2.6.18-1.2869.fc6-i686/include/.. SUBDIRS=$PWD
SRCROOT=$PWD/. modules
make[1]: Entering directory `/usr/src/kernels/2.6.18-1.2869.fc6-i686'
  CC [M]  /tmp/vmware-config4/vmmon-only/linux/driver.o
  CC [M]  /tmp/vmware-config4/vmmon-only/linux/hostif.o
  CC [M]  /tmp/vmware-config4/vmmon-only/common/cpuid.o
  CC [M]  /tmp/vmware-config4/vmmon-only/common/hash.o
  CC [M]  /tmp/vmware-config4/vmmon-only/common/memtrack.o
  CC [M]  /tmp/vmware-config4/vmmon-only/common/phystrack.o
  CC [M]  /tmp/vmware-config4/vmmon-only/common/task.o
  CC [M]  /tmp/vmware-config4/vmmon-only/common/vmx86.o
  CC [M]  /tmp/vmware-config4/vmmon-only/vmcore/moduleloop.o
  LD [M]  /tmp/vmware-config4/vmmon-only/vmmon.o
  Building modules, stage 2.
  MODPOST
  CC      /tmp/vmware-config4/vmmon-only/vmmon.mod.o
  LD [M]  /tmp/vmware-config4/vmmon-only/vmmon.ko
make[1]: Leaving directory `/usr/src/kernels/2.6.18-1.2869.fc6-i686'
cp -f vmmon.ko ./../vmmon.o
make: Leaving directory `/tmp/vmware-config4/vmmon-only'
Unable to make a vmmon module that can be loaded in the running kernel:
insmod: error inserting '/tmp/vmware-config4/vmmon.o': -1 Invalid module
format
There is probably a slight difference in the kernel configuration
between the
set of C header files you specified and your running kernel.  You may
want to
rebuild a kernel based on that directory, or specify another directory.

I'm new to compiling my own software and don't know how to overcome
this. Any ideas?
Regards John