IMac OSX error and restart

Hi i jus bought an imac and have this error, like every 30 mins, what shoul i do?

Anonymous UUID: 4C4E80EF-D728-6651-6459-93A7C729F249

Tue Nov 19 17:02:15 2013

panic(cpu 0 caller 0xffffff801b2dc19e): Kernel trap at 0xffffff7f9c9a4787, type 14=page fault, registers:

CR0: 0x000000008001003b, CR2: 0x0000000000000270, CR3: 0x000000001de36000, CR4: 0x00000000001606e0

RAX: 0x0000000000000270, RBX: 0xffffff8059566800, RCX: 0x0000000000019640, RDX: 0xffffff83c2413c80

RSP: 0xffffff83c2413bd0, RBP: 0xffffff83c2413c20, RSI: 0xffffff805b452800, RDI: 0x0000000000000270

R8: 0x0000000000010000, R9: 0x00000000000005de, R10: 0xffffff83a0992800, R11: 0x0000000000000000

R12: 0xffffff83a09e2640, R13: 0xffffff805b452800, R14: 0xffffff83c2413c80, R15: 0xffffff805b452800

RFL: 0x0000000000010282, RIP: 0xffffff7f9c9a4787, CS: 0x0000000000000008, SS: 0x0000000000000010

Fault CR2: 0x0000000000000270, Error code: 0x0000000000000000, Fault CPU: 0x0

Backtrace (CPU 0), Frame : Return Address

0xffffff83c2413860 : 0xffffff801b222f69

0xffffff83c24138e0 : 0xffffff801b2dc19e

0xffffff83c2413ab0 : 0xffffff801b2f3606

0xffffff83c2413ad0 : 0xffffff7f9c9a4787

0xffffff83c2413c20 : 0xffffff7f9c89325c

0xffffff83c2413d90 : 0xffffff7f9c8987bc

0xffffff83c2413e10 : 0xffffff7f9c86a0e8

0xffffff83c2413e70 : 0xffffff7f9c967b5a

0xffffff83c2413ec0 : 0xffffff7f9c7fd372

0xffffff83c2413ef0 : 0xffffff801b6ada80

0xffffff83c2413f30 : 0xffffff801b6ac522

0xffffff83c2413f80 : 0xffffff801b6ac5f7

0xffffff83c2413fb0 : 0xffffff801b2d6aa7

Kernel Extensions in backtrace:

com.apple.driver.AirPort.Brcm4360(800.21.45)[8BC62C63-B896-3CD4-83ED-EB2C71224B D8]@0xffffff7f9c7f4000->0xffffff7f9cbb0fff

dependency: com.apple.driver.mDNSOffloadUserClient(1.0.1b4)[C808009A-9D01-31FC-A01F-AA91DFF 6D348]@0xffffff7f9c522000

dependency: com.apple.iokit.IO80211Family(600.34)[5B1818BB-0831-3BD1-B7E2-3D9BD0FD3818]@0xf fffff7f9c774000

dependency: com.apple.iokit.IOPCIFamily(2.8)[447B4896-16FF-3616-95A2-1C516B2A1498]@0xffffff 7f9b8ba000

dependency: com.apple.iokit.IONetworkingFamily(3.2)[1EAD69CB-6AB4-387F-94C4-8FAAFF28354C]@0 xffffff7f9c0fd000

BSD process name corresponding to current thread: kernel_task

Mac OS version:

13A603

Kernel version:

Darwin Kernel Version 13.0.0: Thu Sep 19 22:22:27 PDT 2013; root:xnu-2422.1.72~6/RELEASE_X86_64

Kernel UUID: 1D9369E3-D0A5-31B6-8D16-BFFBBB390393

Kernel slide: 0x000000001b000000

Kernel text base: 0xffffff801b200000

System model name: iMac14,2 (Mac-27ADBB7B4CEE8E61)