Kernel Panic Help

Every time i start up my computer it says I need to restart it. I tried starting it in safe mode but that doesn't seem to work. It says

panic(cpu0 caller 0x2aab59): Kernel trap at 0x421000df, type 14=page fault, registers:
CR0: 0x8001003b, CR2: 0x421000df, CR3: 0x00100000, CR4: 0x00000668
EAX: 0x0000bda0, EBX: 0x0587bd00, ECX: 0x0085f894, EDX: 0x0577ba00
CR2: 0x421000df, EBP: 0x51e53e78, ESI: 0x0577ba00, EDI: 0x05794b80
EFL: 0x00010202, EIP: 0x421000df, CS: 0x00000008, DS: 0x02b90010
Error code: 0x00000010

Debugger called: <panic>
Backtrace (CPU 0), Frame : Return Adress (4 potential args on stack)
0x51e53c78 : 0x21b510 (0x5d9514 0x51e53cac 0x223978 0x0)
0x51e53cc8 : 0x2aab59 (059aeec 0x421000df 0xe 0x59b0b6)
0x51e53da8: 0x3a09b8 (0x51e53dc0 0x18 0x51e53e78 0x421000df)
0x51e53db8: 0x421000df (0xe 0x48 0x51e50010 0x220010)
0x51e53e78: 0x54f508 (0x577ba00 0x3 0x57946c0 0x50861e)
0x51e53f28: 0x53ffe4 (0x5795d80 0x57a0740 0x8 0xffffffff)
0x51e53f78: 0x541c93 (0x5795d80 0x0 0x51e53fac 0x1)
0x51e53fc8: 0x2a06dc (0x585f3b0 0x0 0x72d504f 0x44746f6f)

BSD process name corresponding to current thread: Unknown

Mac OS version:
Not yet set

Kernel version:
Darwin Kernel Version 10.7.0: Sat Jan 29 15:17:16 PST 2011 r(i think it says something else but it seems to be cut off by the box)

System uptime in nanoseconds: 811442636



Thanks so much for any help in advance

 

No I'm usin leopard