Why does my mac keep crashing under panic report?

does anyone understand what this error code could suggest?

Anonymous UUID: --------------------------------

Wed Dec 17 13:03:49 2014

* Panic Report * panic(cpu 0 caller 0xffffff801d41e80a): Kernel trap at 0xffffff7f9da63db4, type 14=page fault, registers: CR0: 0x000000008001003b, CR2: 0x0000000000000000, CR3: 0x00000000205d3000, CR4: 0x00000000001626e0 RAX: 0x0000000000000011, RBX: 0x0000000000000000, RCX: 0xffffff81284db4f0, RDX: 0x0000000000000011 RSP: 0xffffff81284db420, RBP: 0xffffff81284db440, RSI: 0xffffff803290c008, RDI: 0x0000000000000000 R8: 0xffffff802f0d0b08, R9: 0x00000000000088ee, R10: 0x0000000000000003, R11: 0x0000000000000002 R12: 0xffffff803290c008, R13: 0xffffff7f9dab0b98, R14: 0xffffff81284db4f0, R15: 0xffffff7f9dab0b80 RFL: 0x0000000000010202, RIP: 0xffffff7f9da63db4, CS: 0x0000000000000008, SS: 0x0000000000000010 Fault CR2: 0x0000000000000000, Error code: 0x0000000000000002, Fault CPU: 0x0

Backtrace (CPU 0), Frame : Return Address 0xffffff81284db0d0 : 0xffffff801d33a811 0xffffff81284db150 : 0xffffff801d41e80a 0xffffff81284db310 : 0xffffff801d43a443 0xffffff81284db330 : 0xffffff7f9da63db4 0xffffff81284db440 : 0xffffff7f9da62023 0xffffff81284db4b0 : 0xffffff7f9da6031f 0xffffff81284db530 : 0xffffff7f9da5b8fe 0xffffff81284db5c0 : 0xffffff7f9da4201b 0xffffff81284db5f0 : 0xffffff801d67731b 0xffffff81284db970 : 0xffffff801d674487 0xffffff81284dbb40 : 0xffffff801d672459 0xffffff81284dbd10 : 0xffffff801d65d1c1 0xffffff81284dbd30 : 0xffffff801d5d68a2 0xffffff81284dbd60 : 0xffffff801d5b1ec4 0xffffff81284dbdf0 : 0xffffff801d5ad87e 0xffffff81284dbeb0 : 0xffffff801d5b0364 0xffffff81284dbfb0 : 0xffffff801d4192c7 Kernel Extensions in backtrace: com.symantec.kext.internetSecurity(5.4f4)[77BF0BC5-BEF4-34FF-9160-C22D470BB3B2]@0xffffff7f9da39000->0xffffff7f9da47fff com.symantec.kext.ips(3.9.2f1)[70330C8B-669A-35A8-A7DD-9E428BE89B9F]@0xffffff7f9da58000->0xffffff7f9dab0fff dependency: com.symantec.kext.internetSecurity(5.4f4)[77BF0BC5-BEF4-34FF-9160-C22D470BB3B2]@0xffffff7f9da39000

BSD process name corresponding to current thread: kernel_task

Mac OS version: 14B25

Kernel version: Darwin Kernel Version 14.0.0: Fri Sep 19 00:26:44 PDT 2014; root:xnu-2782.1.97~2/RELEASE_X86_64 Kernel UUID: 89E10306-BC78-3A3B-955C-7C4922577E61 Kernel slide: 0x000000001d000000 Kernel text base: 0xffffff801d200000 __HIB text base: 0xffffff801d100000 System model name: iMac14,3 (Mac-77EB7D7DAF985301)

System uptime in nanoseconds: 35080293823668 last loaded kext at 276550473617: com.apple.filesystems.msdosfs 1.10 (addr 0xffffff7f9fe4e000, size 69632) last unloaded kext at 337057038683: com.apple.filesystems.msdosfs 1.10 (addr 0xffffff7f9fe4e000, size 61440) loaded kexts: com.symantec.kext.SymAPComm 12.7.1f4 com.symantec.kext.fw 5.3.1f4 com.symantec.kext.filesecurity 12.7f4 com.symantec.kext.ips 3.9.2f1 com.symantec.kext.pf 5.7.1f4 com.symantec.kext.internetSecurity 5.4f4 com.apple.driver.AppleBluetoothMultitouch 85.3 com.apple.driver.AudioAUUC 1.70 com.apple.driver.AppleHWSensor 1.9.5d0 com.apple.iokit.IOBluetoothSerialManager 4.3.1f2 com.apple.driver.AGPM 100.14.37 com.apple.driver.ApplePlatformEnabler 2.1.0d1 com.apple.driver.X86PlatformShim 1.0.0 com.apple.filesystems.autofs 3.0 com.apple.driver.AppleOSXWatchdog 1 com.apple.driver.AppleMikeyHIDDriver 124 com.apple.driver.AppleMikeyDriver 267.0 com.apple.driver.AppleHDA 267.0 com.apple.driver.AppleUpstreamUserClient 3.6.1 com.apple.driver.AppleThunderboltIP 2.0.2 com.apple.GeForce 10.0.0 com.apple.iokit.IOUserEthernet 1.0.1 com.apple.driver.AppleLPC 1.7.3 com.apple.driver.AppleSMCLMU 2.0.4d1 com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport 4.3.1f2 com.apple.Dont_Steal_Mac_OS_X 7.0.0 com.apple.driver.AppleHWAccess 1 com.apple.driver.AppleHV 1 com.apple.driver.AppleMCCSControl 1.2.10 com.apple.driver.AppleIntelHD5000Graphics 10.0.0 com.apple.driver.AppleIntelFramebufferAzul 10.0.0 com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1 com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1 com.apple.BootCache 35 com.apple.driver.AppleUSBHub 705.4.1 com.apple.driver.XsanFilter 404 com.apple.iokit.IOAHCIBlockStorage 2.6.5 com.apple.driver.AppleSDXC 1.6.5 com.apple.iokit.AppleBCM5701Ethernet 10.1.2b3 com.apple.driver.AirPort.Brcm4360 901.19.10 com.apple.driver.AppleAHCIPort 3.0.7 com.apple.driver.AppleUSBXHCI 705.4.14 com.apple.driver.AppleACPIButtons 3.1 com.apple.driver.AppleRTC 2.0 com.apple.driver.AppleHPET 1.8 com.apple.driver.AppleSMBIOS 2.1 com.apple.driver.AppleACPIEC 3.1 com.apple.driver.AppleAPIC 1.7 com.apple.nke.applicationfirewall 161 com.apple.security.quarantine 3 com.apple.security.TMSafetyNet 8 com.apple.driver.AppleBluetoothHIDKeyboard 175.5 com.apple.driver.AppleHIDKeyboard 175.5 com.apple.driver.IOBluetoothHIDDriver 4.3.1f2 com.apple.driver.AppleMultitouchDriver 260.30 com.apple.iokit.IOSerialFamily 11 com.apple.kext.triggers 1.0 com.apple.driver.DspFuncLib 267.0 com.apple.kext.OSvKernDSPLib 1.15 com.apple.iokit.IOAudioFamily 200.6 com.apple.vecLib.kext 1.2.0 com.apple.nvidia.driver.NVDAGK100Hal 10.0.0 com.apple.nvidia.driver.NVDAResman 10.0.0 com.apple.driver.X86PlatformPlugin 1.0.0 com.apple.driver.IOPlatformPluginFamily 5.8.0d49 com.apple.iokit.IOUSBUserClient 705.4.0 com.apple.driver.AppleThunderboltEDMSink 4.0.2 com.apple.iokit.IOBluetoothHostControllerUSBTransport 4.3.1f2 com.apple.iokit.IOBluetoothFamily 4.3.1f2 com.apple.driver.AppleSMC 3.1.9 com.apple.driver.AppleHDAController 267.0 com.apple.iokit.IOHDAFamily 267.0 com.apple.driver.AppleSMBusPCI 1.0.12d1 com.apple.driver.AppleSMBusController 1.0.13d1 com.apple.iokit.IOSurface 97 com.apple.AppleGraphicsDeviceControl 3.7.21 com.apple.iokit.IOAcceleratorFamily2 156.4 com.apple.iokit.IONDRVSupport 2.4.1 com.apple.iokit.IOGraphicsFamily 2.4.1 com.apple.iokit.IOSCSIArchitectureModelFamily 3.7.0 com.apple.driver.AppleUSBMergeNub 705.4.0 com.apple.driver.AppleUSBComposite 705.4.9 com.apple.driver.AppleThunderboltDPInAdapter 4.0.6 com.apple.driver.AppleThunderboltDPOutAdapter 4.0.6 com.apple.driver.AppleThunderboltDPAdapterFamily 4.0.6 com.apple.driver.AppleThunderboltPCIDownAdapter 2.0.2 com.apple.driver.AppleThunderboltNHI 3.1.7 com.apple.iokit.IOThunderboltFamily 4.2.1 com.apple.iokit.IOEthernetAVBController 1.0.3b3 com.apple.iokit.IO80211Family 700.52 com.apple.driver.mDNSOffloadUserClient 1.0.1b8 com.apple.iokit.IONetworkingFamily 3.2 com.apple.iokit.IOAHCIFamily 2.7.0 com.apple.iokit.IOUSBFamily 705.4.14 com.apple.driver.AppleEFINVRAM 2.0 com.apple.driver.AppleEFIRuntime 2.0 com.apple.iokit.IOHIDFamily 2.0.0 com.apple.iokit.IOSMBusFamily 1.1 com.apple.security.sandbox 300.0 com.apple.kext.AppleMatch 1.0.0d1 com.apple.driver.AppleKeyStore 2 com.apple.driver.AppleMobileFileIntegrity 1.0.5 com.apple.driver.AppleCredentialManager 1.0 com.apple.driver.DiskImages 389.1 com.apple.iokit.IOStorageFamily 2.0 com.apple.iokit.IOReportFamily 31 com.apple.driver.AppleFDEKeyStore 28.30 com.apple.driver.AppleACPIPlatform 3.1 com.apple.iokit.IOPCIFamily 2.9 com.apple.iokit.IOACPIFamily 1.4 com.apple.kec.Libm 1 com.apple.kec.pthread 1 com.apple.kec.corecrypto 1.0 Unable to gather system configuration information.Model: iMac14,3, BootROM IM143.0118.B07, 4 processors, Intel Core i5, 2.9 GHz, 8 GB, SMC 2.17f7 Graphics: NVIDIA GeForce GT 750M, NVIDIA GeForce GT 750M, PCIe, 1024 MB Memory Module: BANK 0/DIMM0, 4 GB, DDR3, 1600 MHz, 0x80AD, 0x484D54343531533641465238412D50422020 Memory Module: BANK 1/DIMM0, 4 GB, DDR3, 1600 MHz, 0x80AD, 0x484D54343531533641465238412D50422020 AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x111), Broadcom BCM43xx 1.0 (7.15.124.12.10) Bluetooth: Version 4.3.1f2 15015, 3 services, 27 devices, 1 incoming serial ports Network Service: Ethernet, Ethernet, en0 Network Service: Wi-Fi, AirPort, en1 Serial ATA Device: APPLE HDD HTS541010A9E662, 1 TB USB Device: BRCM20702 Hub USB Device: Bluetooth USB Host Controller USB Device: FaceTime HD Camera (Built-in) Thunderbolt Bus: iMac, Apple Inc., 23.10