frequent crash after mavrick install

i am using a 2011 15" MacBook pro 8gb of ram and 500 gb hdd

after install Mavrick i get frequent and reatarts i have included the crash report below can anyone tell me what is the cause

Anonymous UUID: 64115C44-754C-1186-707E-B9F34C5718F3

Fri Oct 25 10:20:15 2013

panic(cpu 0 caller 0xffffff802f054ba6): "a freed zone element has been modified: expected 0xffffff8055227a50 but found 0xdeadbeef00000000, bits changed 0x2152416f55227a50, at offset 32 of 40 in zone: vm object hash entries"@/SourceCache/xnu/xnu-2422.1.72/osfmk/kern/zalloc.c:461

Backtrace (CPU 0), Frame : Return Address

0xffffff81207636c0 : 0xffffff802f022f69

0xffffff8120763740 : 0xffffff802f054ba6

0xffffff8120763780 : 0xffffff802f05267d

0xffffff81207637e0 : 0xffffff802f051d09

0xffffff81207638e0 : 0xffffff802f092198

0xffffff8120763950 : 0xffffff802f092ffd

0xffffff8120763990 : 0xffffff802f3fed5e

0xffffff81207639e0 : 0xffffff802f1da0ff

0xffffff8120763aa0 : 0xffffff802f3611e4

0xffffff8120763bb0 : 0xffffff802f378660

0xffffff8120763d80 : 0xffffff802f3788e8

0xffffff8120763de0 : 0xffffff802f1fa103

0xffffff8120763e20 : 0xffffff802f1efc3b

0xffffff8120763f50 : 0xffffff802f43de23

0xffffff8120763fb0 : 0xffffff802f0f3e06

BSD process name corresponding to current thread: mds

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: 0x000000002ee00000

Kernel text base: 0xffffff802f000000

System model name: MacBookPro8,2 (Mac-94245A3940C91C80)

System uptime in nanoseconds: 904149792092

last loaded kext at 379092381891: net.juniper.nke.nctun_tiger 1.0 (addr 0xffffff7fb15f2000, size 28672)

last unloaded kext at 450048919066: com.apple.driver.AppleUSBUHCI 650.4.0 (addr 0xffffff7fafcbf000, size 65536)

loaded kexts:

com.apple.filesystems.smbfs 2.0.0

com.apple.driver.AudioAUUC 1.60

com.apple.driver.AppleHWSensor 1.9.5d0

com.apple.driver.AGPM 100.14.11

com.apple.filesystems.autofs 3.0

com.apple.iokit.IOBluetoothSerialManager 4.2.0f6

com.apple.driver.AppleMikeyHIDDriver 124

com.apple.iokit.IOUserEthernet 1.0.0d1

com.apple.driver.AppleUpstreamUserClient 3.5.13

com.apple.kext.AMDFramebuffer 1.1.4

com.apple.driver.AppleHDA 2.5.2fc2

com.apple.Dont_Steal_Mac_OS_X 7.0.0

com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport 4.2.0f6

com.apple.driver.AppleMikeyDriver 2.5.2fc2

com.apple.driver.AppleIntelHD3000Graphics 8.1.8

com.apple.driver.AppleSMCPDRC 1.0.0

com.apple.AMDRadeonX3000 1.1.4

com.apple.driver.AppleHWAccess 1

com.apple.driver.AppleLPC 1.7.0

com.apple.kext.AMD6000Controller 1.1.4

com.apple.driver.AppleMuxControl 3.4.12

com.apple.driver.AppleSMCLMU 2.0.4d1

com.apple.driver.AppleMCCSControl 1.1.12

com.apple.driver.AppleIntelSNBGraphicsFB 8.1.8

com.apple.driver.ACPI_SMC_PlatformPlugin 1.0.0

com.apple.driver.SMCMotionSensor 3.0.4d1

com.apple.driver.AppleThunderboltIP 1.0.10

com.apple.driver.AppleUSBTCButtons 240.2

com.apple.driver.AppleUSBTCKeyboard 240.2

com.apple.driver.AppleIRController 325.7

com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1

com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1

com.apple.BootCache 35

com.apple.iokit.SCSITaskUserClient 3.6.0

com.apple.driver.XsanFilter 404

com.apple.driver.AppleUSBHub 650.4.4

com.apple.iokit.IOAHCIBlockStorage 2.4.0

com.apple.driver.AppleSDXC 1.4.0

com.apple.iokit.AppleBCM5701Ethernet 3.6.9b9

com.apple.driver.AirPort.Brcm4331 700.20.22

com.apple.driver.AppleFWOHCI 4.9.9

com.apple.driver.AppleAHCIPort 2.9.5

com.apple.driver.AppleUSBEHCI 650.4.1

com.apple.driver.AppleSmartBatteryManager 161.0.0

com.apple.driver.AppleRTC 2.0

com.apple.driver.AppleACPIButtons 2.0

com.apple.driver.AppleHPET 1.8

com.apple.driver.AppleSMBIOS 2.0

com.apple.driver.AppleAC