ho rimosso ed installato di nuovo fuse, librerie e ntfs ma il problema persiste 
[root@localhost felice]# yum install fuse fuse-libs ntfs-3g
Loading “fastestmirror” plugin
Loading “installonlyn” plugin
Setting up Install Process
Setting up repositories
Loading mirror speeds from cached hostfile
Reading repository metadata in from local files
Parsing package install arguments
Resolving Dependencies
–> Populating transaction set with selected packages. Please wait.
—> Downloading header for fuse-libs to pack into transaction set.
fuse-libs-2.6.5-2_7.fc6.i 100% |=========================| 5.0 kB 00:00
—> Package fuse-libs.i386 0:2.6.5-2_7.fc6 set to be updated
—> Downloading header for ntfs-3g to pack into transaction set.
ftp://ftp.free.fr/mirrors/fedora.redhat.com/fedora/linux/extras/6/i386/ntfs-3g-1.516-1.fc6.i386.rpm: [Errno 4] IOError: [Errno ftp error] [Errno ftp error] 500 Unknown command.
Trying other mirror.
ntfs-3g-1.516-1.fc6.i386. 100% |=========================| 6.6 kB 00:00
—> Package ntfs-3g.i386 2:1.516-1.fc6 set to be updated
—> Downloading header for fuse to pack into transaction set.
fuse-2.6.5-2_7.fc6.i386.r 100% |=========================| 6.6 kB 00:00
—> Package fuse.i386 0:2.6.5-2_7.fc6 set to be updated
–> Running transaction check
Dependencies Resolved
=============================================================================
Package Arch Version Repository Size
Installing:
fuse i386 2.6.5-2_7.fc6 atrpms 77 k
fuse-libs i386 2.6.5-2_7.fc6 atrpms 57 k
ntfs-3g i386 2:1.516-1.fc6 extras 149 k
Transaction Summary
Install 3 Package(s)
Update 0 Package(s)
Remove 0 Package(s)
Total download size: 283 k
Is this ok [y/N]: y
Downloading Packages:
(1/3): fuse-libs-2.6.5-2_ 100% |=========================| 57 kB 00:00
(2/3): ntfs-3g-1.516-1.fc 100% |=========================| 149 kB 00:00
(3/3): fuse-2.6.5-2_7.fc6 100% |=========================| 77 kB 00:00
Running Transaction Test
Finished Transaction Test
Transaction Test Succeeded
Running Transaction
Installing: fuse ######################### [1/3]
Installing: fuse-libs ######################### [2/3]
Installing: ntfs-3g ######################### [3/3]
Installed: fuse.i386 0:2.6.5-2_7.fc6 fuse-libs.i386 0:2.6.5-2_7.fc6 ntfs-3g.i386 2:1.516-1.fc6
Complete!
[root@localhost felice]# mount -t ntfs-3g /dev/sda1 /media/Windows
FATAL: Error inserting fuse (/lib/modules/2.6.20-1.2962.fc6/updates/fs/fuse/fuse.ko): Invalid module format
fusermount: fuse device not found, try ‘modprobe fuse’ first
FUSE mount point creation failed
Unmounting /dev/sda1 ()