MacBook Pro turns off

Hi,

My mac turns off suddenly without any apparent reason... i don't know if could helps but this is the report that appears when i turn it on again:

Anonymous UUID: 6E7499F7-F6D8-76B4-3F2A-2776C6C3CC7E

Wed Sep 30 21:51:22 2015

*** Panic Report ***

panic(cpu 0 caller 0xffffff801dc16df2): Kernel trap at 0xffffff801dd46c85, type 14=page fault, registers:

CR0: 0x000000008001003b, CR2: 0xffffef80373f23d8, CR3: 0x000000001efde000, CR4: 0x0000000000002660

RAX: 0xffffff801e2f7ba0, RBX: 0xffffff80373f21e0, RCX: 0x0000000000000000, RDX: 0xffffef80373f23c0

RSP: 0xffffff811f4fbcd0, RBP: 0xffffff811f4fbcd0, RSI: 0x000000004b1f2d40, RDI: 0xffffff80373f21e0

R8: 0x0000014060000100, R9: 0x0000000000000002, R10: 0x0000000000002000, R11: 0x0000000000000010

R12: 0x0000000000000008, R13: 0xffffff80373f2230, R14: 0x0000000000000040, R15: 0x0000000000000020

RFL: 0x0000000000010286, RIP: 0xffffff801dd46c85, CS: 0x0000000000000008, SS: 0x0000000000000010

Fault CR2: 0xffffef80373f23d8, Error code: 0x0000000000000002, Fault CPU: 0x0

mp = 0xffffff802f5e0c00, phys = 0x1fb5bc00, prev (0x7: 0x1d913000-0x1da00000)

vp = 0xffffff802f5e0c00, phys = 0x1df9d11e0, prev (0xb: 0xffffc000-0x100000000)

0xffffff802f5df000: YAAAAGQAAABqAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABAICA gAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAACAgB4fCQcgAACACAAAACETGg2GU6LTgYMZPwACAgACKggAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADAgEAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAG1hcCBhdXRvX2hvbYjsCC+A////AAACAP8PAAAAAAA h/////z8AAADAU+kxwKPpMbrgTxAA7l0vAAJeL9Ahnp8QASYegKfpMVD4XS8IAFAEAAAIAAAEAAAAAgA AAQAALRUAAABhdXRvZnMAAC9uZXQtaG9zwMwAAOAODu7u4I7u6G7eBGWAACAgBLA5gBcgAAH8/zeAgwY cYNANAAAA

0xffffff802f5e0000: egAAAIMAAACOAAAAAAAAAAAAAAAAAAAAAACAgB4fCQcgAACACAAAACETGg2G06LTgoMaP0QBMwACKQQ AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AADAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

Model: MacBookPro5,5, BootROM MBP55.00AC.B03, 2 processors, Intel Core 2 Duo, 2.53 GHz, 8 GB, SMC 1.47f2

Graphics: NVIDIA GeForce 9400M, NVIDIA GeForce 9400M, PCI, 256 MB

Memory Module: BANK 0/DIMM0, 4 GB, DDR3, 1333 MHz, 0x0198, 0x393955353432382D3034362E4130304C4620

Memory Module: BANK 1/DIMM0, 4 GB, DDR3, 1333 MHz, 0x0198, 0x393955353432382D3034362E4130304C4620

AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x8D), Broadcom BCM43xx 1.0 (5.106.98.100.24)

Bluetooth: Version 4.3.6f3 16238, 3 services, 27 devices, 1 incoming serial ports

Network Service: Wi-Fi, AirPort, en1

Serial ATA Device: Samsung SSD 840 EVO 250GB, 250.06 GB

Serial ATA Device: SAMSUNG HN-M101MBB, 1 TB

USB Device: Built-in iSight

USB Device: Internal Memory Card Reader

USB Device: Apple Internal Keyboard / Trackpad

USB Device: IR Receiver

USB Device: BRCM2046 Hub

USB Device: Bluetooth USB Host Controller

Thunderbolt Bus: