Whoops look like you may of wrote to the wrong disk bud

in no way does Linuxcoin touch your hdd. Load up Linuxcoin and post the results of typing the following into a root terminal.
df -h
Fdisk /dev/sda
p
q
And I'll help you out more.
root@linuxcoin:/home/user# df -h
Filesystem Size Used Avail Use% Mounted on
aufs 917G 227M 871G 1% /
tmpfs 5.0M 0 5.0M 0% /lib/init/rw
tmpfs 397M 600K 397M 1% /run
tmpfs 5.0M 0 5.0M 0% /run/lock
tmpfs 794M 240K 794M 1% /tmp
udev 1.9G 0 1.9G 0% /dev
tmpfs 794M 4.0K 794M 1% /run/shm
/dev/sdc1 1.0G 773M 251M 76% /live/image
/dev/sda2 917G 227M 871G 1% /live/cow
tmpfs 2.0G 0 2.0G 0% /live
root@linuxcoin:/home/user# fdisk /dev/sda
Command (m for help): p
Disk /dev/sda: 1000.2 GB, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x4a450830
Device Boot Start End Blocks Id System
/dev/sda1 * 2048 206847 102400 7 HPFS/NTFS/exFAT
/dev/sda2 206848 1953521663 976657408 7 HPFS/NTFS/exFAT
Oops. I think it really wrote my HDD. What should I do?