ERROR: UNKNOWN FILESYSTEM on booting computer
I have pre installed windows 7 on my laptop sony VAIO EB46FG. When i installed Fedora 16 with dual boot. It installed successfully. I used both OS for few days. But now i have a serous a really serous problem. I got the GRUB ERROR. saying "unknown filesystem"... After that i make the LIVE usb for fedora and boot it. but a strange thing happen that USB is not booting in any case. i Tried so hard. but don't could not.. 

I HAVE VERY VERY IMPORTANT DATA ON MY LAPTOP. I CAN'T BEAR TO LOST MY BOTH OS's. COULD YOU PLEASE HELP ME. i am in a BIG Trouble. I just want my windows back. 

The error comes when i make the free space into ta partation. but i did'nt touch the other partations. PLEASE PLEASE PLEASE PLEASE HELP... 

PLEASE HELP I NEED MY OS BACK.... :/
ERROR: UNKNOWN FILESYSTEM on booting computer
===

I have pre installed windows 7 on my laptop sony VAIO EB46FG. When i installed Fedora 16 with dual boot. It installed successfully. I used both OS for few days. But now i have a serous a really serous problem. I got the GRUB ERROR. saying "unknown filesystem"... After that i make the LIVE usb for fedora and boot it. but a strange thing happen that USB is not booting in any case. i Tried so hard. but don't could not.. 

I HAVE VERY VERY IMPORTANT DATA ON MY LAPTOP. I CAN'T BEAR TO LOST MY BOTH OS's. COULD YOU PLEASE HELP ME. i am in a BIG Trouble. I just want my windows back. 

The error comes when i make the free space into ta partation. but i did'nt touch the other partations. PLEASE PLEASE PLEASE PLEASE HELP... 

PLEASE HELP I NEED MY OS BACK.... :/