panic report, Error code: 0x00000000

I have kernel panics while booting up as well as after completing the booting process. This has happend the second time now after updating to OS X 10.6.8. This is a report of the last one:

Interval Since Last Panic Report: 67563 sec

Panics Since Last Report: 1

Anonymous UUID: B893FDE8-9704-4DB1-95C1-D988746FF536

Sat Feb 11 23:54:53 2012

panic(cpu 0 caller 0x2abf6a): Kernel trap at 0x0029a4b6, type 14=page fault, registers:

CR0: 0x80010033, CR2: 0x00000008, CR3: 0x05edb000, CR4: 0x00000668

EAX: 0x00000000, EBX: 0x52a4bed0, ECX: 0x08f8b404, EDX: 0x00000000

CR2: 0x00000008, EBP: 0x52a4ac88, ESI: 0x00000000, EDI: 0x00000002

EFL: 0x00010206, EIP: 0x0029a4b6, CS: 0x00000008, DS: 0x52a40010

Error code: 0x00000000

Backtrace (CPU 0), Frame : Return Address (4 potential args on stack)

0x52a4aaa8 : 0x21b837 (0x5dd7fc 0x52a4aadc 0x223ce1 0x0)

0x52a4aaf8 : 0x2abf6a (0x59e3d0 0x29a4b6 0xe 0x59e59a)

0x52a4abd8 : 0x2a1a78 (0x52a4abf0 0x52a4abe0 0x52a4ac88 0x29a4b6)

0x52a4abe8 : 0x29a4b6 (0xe 0x52a40048 0x52a40010 0x52a40010)

0x52a4ac88 : 0x180d7c4 (0x0 0x52a4ac90 0x52a4ac98 0x52a4ac98)

0x52a4bcd8 : 0x322a7a (0x0 0x8f8b404 0x2 0xc02c6938)

0x52a4bd28 : 0x320ccb (0x8f8b404 0x2 0xc02c6938 0x52a4bed0)

0x52a4bdd8 : 0x320dab (0x8f04ce0 0xc02c6938 0x52a4bed0 0x8fd9000)

0x52a4bdf8 : 0x4a1bc6 (0x8f04ce0 0xc02c6938 0x52a4bed0 0x8fd9000)

0x52a4be58 : 0x4a1c8e (0x8f04ce0 0xc02c6938 0x52a4bed0 0x8fd9000)

0x52a4be78 : 0x473180 (0x8f150e0 0xc02c6938 0x52a4bed0 0x52a4bf50)

0x52a4be98 : 0x49eeb6 (0x8f150e0 0xc02c6938 0x52a4bed0 0x52a4bf50)

0x52a4bf78 : 0x4f82fb (0x8fd9000 0x9922de8 0x9614f44 0x7fff)

0x52a4bfc8 : 0x2a251d (0x9922de4 0x0 0x10 0x9922de4)

Kernel Extensions in backtrace (with dependencies):

com.cisco.nke.ipsec(2.0.1)@0x180b000->0x1879fff

BSD process name corresponding to current thread: SystemUIServer

Mac OS version:

10K549

Kernel version:

Darwin Kernel Version 10.8.0: Tue Jun 7 16:33:36 PDT 2011; root:xnu-1504.15.3~1/RELEASE_I386

System model name: iMac10,1 (Mac-F2268CC8)

System uptime in nanoseconds: 26179984580

unloaded kexts:

(none)

loaded kexts:

com.cisco.nke.ipsec 2.0.1 - last loaded 26179154026

jp.plentycom.driver.SteerMouse 3.9

com.apple.driver.AppleHWSensor 1.9.3d0

com.apple.driver.AppleBluetoothMultitouch 54.3

com.apple.filesystems.autofs 2.1.0

com.apple.driver.AppleTyMCEDriver 1.0.2d2

com.apple.driver.AGPM 100.12.31

com.apple.driver.InternalModemSupport 2.6.2

com.apple.driver.AppleMikeyHIDDriver 1.2.0

com.apple.driver.AppleUpstreamUserClient 3.5.7

com.apple.driver.AppleMCCSControl 1.0.20

com.apple.driver.AppleHDA 2.0.5f14

com.apple.driver.AppleMikeyDriver 2.0.5f14

com.apple.driver.AppleGraphicsControl 2.10.6

com.apple.driver.AppleBacklight 170.0.46

com.apple.driver.AudioAUUC 1.57

com.apple.Dont_Steal_Mac_OS_X 7.0.0

com.apple.driver.AudioIPCDriver 1.1.6

com.apple.driver.AirPort.Atheros21 425.14.7

com.apple.driver.AppleIntelYonahProfile 14

com.apple.driver.AppleIntelPenrynProfile 17

com.apple.driver.AppleIntelNehalemProfile 11

com.apple.driver.AppleIntelMeromProfile 19

com.apple.driver.ACPI_SMC_PlatformPlugin 4.7.0a1

com.apple.driver.AppleLPC 1.5.1

com.apple.GeForce 6.3.6

com.apple.driver.AppleIRController 303.8

com.apple.driver.AppleUSBCardReader 2.6.1

com.apple.iokit.SCSITaskUserClient 2.6.8

com.apple.BootCache 31.1

com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1

com.apple.iokit.IOAHCIBlockStorage 1.6.4

com.apple.driver.AppleFWOHCI 4.7.3

com.apple.driver.AppleAHCIPort 2.1.7

com.apple.nvenet 2.0.17

com.apple.driver.AppleEFINVRAM 1.4.0

com.apple.driver.AppleUSBHub 4.2.4

com.apple.driver.AppleRTC 1.3.1

com.apple.driver.AppleUSBEHCI 4.2.4

com.apple.driver.AppleUSBOHCI 4.2.0

com.apple.driver.AppleHPET 1.5

com.apple.driver.AppleACPIButtons 1.3.6

com.apple.driver.AppleSMBIOS 1.7

com.apple.driver.AppleACPIEC 1.3.6

com.apple.driver.AppleAPIC 1.4

com.apple.driver.AppleIntelCPUPowerManagementClient 142.6.0

com.apple.security.sandbox 1

com.apple.security.quarantine 0

com.apple.nke.applicationfirewall 2.1.14

com.apple.driver.AppleIntelCPUPowerManagement 142.6.0

com.apple.driver.AppleBluetoothHIDKeyboard 141.5

com.apple.driver.AppleHIDKeyboard 141.5

com.apple.driver.IOBluetoothHIDDriver 2.4.5f3

com.apple.driver.AppleMultitouchDriver 207.11

com.apple.driver.AppleHDAHardwareConfigDriver 2.0.5f14

com.apple.driver.DspFuncLib 2.0.5f14

com.apple.driver.AppleProfileReadCounterAction 17

com.apple.driver.AppleBacklightExpert 1.0.1

com.apple.nvidia.nv50hal 6.3.6

com.apple.driver.AppleSMBusController 1.0.10d0

com.apple.driver.AppleProfileTimestampAction 10

com.apple.driver.AppleProfileThreadInfoAction 14

com.apple.driver.AppleProfileRegisterStateAction 10

com.apple.driver.AppleProfileKEventAction 10

com.apple.driver.AppleProfileCallstackAction 20

com.apple.iokit.IOFireWireIP 2.0.3

com.apple.iokit.IOSurface 74.2

com.apple.iokit.IOBluetoothSerialManager 2.4.5f3

com.apple.iokit.IOSerialFamily 10.0.3

com.apple.iokit.IOAudioFamily 1.8.3fc2

com.apple.kext.OSvKernDSPLib 1.3

com.apple.driver.AppleHDAController 2.0.5f14

com.apple.iokit.IOHDAFamily 2.0.5f14

com.apple.iokit.IO80211Family 320.1

com.apple.iokit.AppleProfileFamily 41

com.apple.driver.AppleSMC 3.1.0d5

com.apple.driver.IOPlatformPluginFamily 4.7.0a1

com.apple.driver.AppleSMBusPCI 1.0.10d0

com.apple.NVDAResman 6.3.6

com.apple.iokit.IONDRVSupport 2.2.1

com.apple.iokit.IOGraphicsFamily 2.2.1

com.apple.driver.BroadcomUSBBluetoothHCIController 2.4.5f3

com.apple.driver.AppleUSBBluetoothHCIController 2.4.5f3

com.apple.iokit.IOBluetoothFamily 2.4.5f3

com.apple.iokit.IOUSBHIDDriver 4.2.0

com.apple.iokit.IOSCSIBlockCommandsDevice 2.6.8

com.apple.iokit.IOUSBMassStorageClass 2.6.7

com.apple.driver.AppleUSBMergeNub 4.2.4

com.apple.driver.AppleUSBComposite 3.9.0

com.apple.iokit.IOSCSIMultimediaCommandsDevice 2.6.8

com.apple.iokit.IOBDStorageFamily 1.6

com.apple.iokit.IODVDStorageFamily 1.6

com.apple.iokit.IOCDStorageFamily 1.6.1

com.apple.iokit.IOAHCISerialATAPI 1.2.6

com.apple.iokit.IOSCSIArchitectureModelFamily 2.6.8

com.apple.driver.XsanFilter 402.1

com.apple.driver.AppleFileSystemDriver 2.0

com.apple.iokit.IOFireWireFamily 4.2.6

com.apple.iokit.IOAHCIFamily 2.0.6

com.apple.iokit.IONetworkingFamily 1.10

com.apple.iokit.IOUSBUserClient 4.2.4

com.apple.driver.NVSMU 2.2.7

com.apple.driver.AppleEFIRuntime 1.4.0

com.apple.iokit.IOUSBFamily 4.2.4

com.apple.iokit.IOHIDFamily 1.6.6

com.apple.iokit.IOSMBusFamily 1.1

com.apple.kext.AppleMatch 1.0.0d1

com.apple.security.TMSafetyNet 6

com.apple.driver.DiskImages 289

com.apple.iokit.IOStorageFamily 1.6.3

com.apple.driver.AppleACPIPlatform 1.3.6

com.apple.iokit.IOPCIFamily 2.6.5

com.apple.iokit.IOACPIFamily 1.3.0

Model: iMac10,1, BootROM IM101.00CC.B00, 2 processors, Intel Core 2 Duo, 3.06 GHz, 4 GB, SMC 1.52f9

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

Memory Module: global_name

AirPort: spairport_wireless_card_type_airport_extreme (0x168C, 0x8F), Atheros 9280: 2.1.14.6

Bluetooth: Version 2.4.5f3, 2 service, 19 devices, 1 incoming serial ports

Network Service: Ethernet, Ethernet, en0

Serial ATA Device: Hitachi HDT721050SLA360, 465,76 GB

Serial ATA Device: HL-DT-ST DVDRW GA11N

USB Device: Internal Memory Card Reader, 0x05ac (Apple Inc.), 0x8403, 0x26500000 / 2

USB Device: Built-in iSight, 0x05ac (Apple Inc.), 0x8502, 0x24400000 / 2

USB Device: BRCM2046 Hub, 0x0a5c (Broadcom Corp.), 0x4500, 0x06100000 / 2

USB Device: Bluetooth USB Host Controller, 0x05ac (Apple Inc.), 0x8215, 0x06110000 / 5

USB Device: HL-2030 series, 0x04f9 (Brother International Corporation), 0x0027, 0x04300000 / 3

USB Device: IR Receiver, 0x05ac (Apple Inc.), 0x8242, 0x04500000 / 2

Can anyone tell me what this means and what I could do about it? I have no clue of this at all. Many thank's in advance.