I'm currently running dual boot Linux & Windows. Linux is Fedora core 3. I've downloaded and installed the rmp that was needed so that I could mount a NTFS filesystem. But when I go to mount the filesystem I'm still getting error's stating it does not support the NTFS filesystem.
Also the system tells me the package is installed. But whne I got to check the status of it running it isn't there. I'll post errors I have in a bit when I boot into Linux 
Ok here the output.
cat /etc/redhat-release
Fedora Core release 3 (Heidelberg)
uname -r
2.6.9-1.667
rpm -q --queryformat "%{ARCH}\n" kernel
i686
rpm -ihv kernel-module-ntfs-2.6.9-1.667-2.1.20-0.rr.3.3.i686.rpm
Preparing... ########################################### [100%]
package kernel-module-ntfs-2.6.9-1.667-2.1.20-0.rr.3.3 is already installed
/sbin/modprobe ntfs
FATAL: Error inserting ntfs (/lib/modules/2.6.9-1.667/kernel/fs/ntfs/ntfs.ko): Invalid module format
cat /proc/filesystems
nodev sysfs
nodev rootfs
nodev bdev
nodev proc
nodev sockfs
nodev binfmt_misc
nodev usbfs
nodev usbdevfs
nodev futexfs
nodev tmpfs
nodev pipefs
nodev eventpollfs
nodev devpts
ext2
nodev ramfs
nodev hugetlbfs
iso9660
nodev mqueue
nodev selinuxfs
ext3
nodev rpc_pipefs
nodev autofs
So I've got no idea what and where I have gone wrong. I followed the instruction to install it. Yet it still will not work. I'm thinking I may be best to recompile the kernel with NTFS support.
All i want to do is be able to mount my Windows partition (/dev/hda2) 
Oh yeah and when I go to mount this is what happens.
mount /dev/hda2 /mnt/windows
mount: fs type ntfs not supported by kernel
It doesn't matter if I use the "-t ntfs" option it still gives me the same error 
Perhaps try depmod, then load module.
There is a good set of instructions here:
http://fedoranews.org/contributors/stanton\_finley/fc3_note/\#NTFS
There is a lot of good info there about FC3.
Hope this helps.
I don't know if you noticed, but you have an invalid module format extension from your rpm that you installed. I have never seen a lib file with ext ".ko"
I would google again for another package and check the sig.
KW
The ko extension is valid, it's a change in kernel 2.6.x.
Four steps to mount ntfs:
1)find kernel version
#uname -r
2.6.9-1.667
2)download the file:kernel-module-ntfs-2.6.9-1.667-2.1.20-0.rr.3.3.i686.rpm,then
#rpm -ihv kernel-module-ntfs-2.6.9-1.667-2.1.20-0.rr.3.3.i686.rpm
3)
#modprobe ntfs
4)
#cd /mnt
#mkdir winxp
#mount -t ntfs /dev/hda2 /mnt/winxp
The four steps will be enough to mount ntfs partional,Try it!
what do we do if we can't find the module for our kernel build?
#uname -r -p
2.6.5-1.358smp i686
Any help would be appreciated. Thanks
//Moracca
well guys I m not to sure u can check one more thing code:
cd /usr/src/linux && make menuconfig
go to file system check in ntfs support..and hpfs support save it ..then run make dep... i hope this can slove ur problem
I reuqest you to plz pass me the link to download kernel-module-ntfs-2.6.9-1.667-2.1.20-0.rr.3.3.i686.rpm ..i dont have nay link for it ..!