Kernel Panic with Version 8

Installed version 8 last night. Three kernel panics. Had to uninstall and now things are stable again.

Here is the log (hope it helps):

Interval Since Last Panic Report: 2394294 sec
Panics Since Last Report: 3
Anonymous UUID: 1B880061-1A55-4414-B289-7B855F22EF4B

Thu Apr 5 08:37:19 2012
panic(cpu 2 caller 0xffffff80002c266d): Kernel trap at 0xffffff8000318e3f, type 14=page fault, registers:
CR0: 0x0000000080010033, CR2: 0x00000000000000d0, CR3: 0x000000003ed48016, CR4: 0x00000000000206e0
RAX: 0x000000000000000d, RBX: 0x0000000000008000, RCX: 0xffffff80172316f0, RDX: 0x0000000000008000
RSP: 0xffffff812ee33af0, RBP: 0xffffff812ee33b30, RSI: 0xffffff8017841480, RDI: 0x0000000000000000
R8: 0x0000000000000000, R9: 0x0000000000000000, R10: 0xffffff80178414b8, R11: 0xffffff80002d8200
R12: 0xffffff80eb527900, R13: 0xffffff8015a58000, R14: 0xffffff8017841480, R15: 0x0000000000000000
RFL: 0x0000000000010286, RIP: 0xffffff8000318e3f, CS: 0x0000000000000008, SS: 0x0000000000000010
CR2: 0x00000000000000d0, Error code: 0x0000000000000000, Faulting CPU: 0x2

Backtrace (CPU 2), Frame : Return Address
0xffffff812ee337b0 : 0xffffff8000220702
0xffffff812ee33830 : 0xffffff80002c266d
0xffffff812ee339d0 : 0xffffff80002d7a1d
0xffffff812ee339f0 : 0xffffff8000318e3f
0xffffff812ee33b30 : 0xffffff7f8223a684
0xffffff812ee33cb0 : 0xffffff800053abb9
0xffffff812ee33cf0 : 0xffffff8000580614
0xffffff812ee33de0 : 0xffffff8000586a76
0xffffff812ee33ed0 : 0xffffff8000586e59
0xffffff812ee33f60 : 0xffffff80005ca448
0xffffff812ee33fb0 : 0xffffff80002d7f39
Kernel Extensions in backtrace:
com.sophos.kext.sav(8.0.1)[9F2DF25D-B665-7144-C1AE-C2168D411D43]@0xffffff7f82238000->0xffffff7f8223cfff

BSD process name corresponding to current thread: InterCheck

Mac OS version:
11D50

Kernel version:
Darwin Kernel Version 11.3.0: Thu Jan 12 18:47:41 PST 2012; root:xnu-1699.24.23~1/RELEASE_X86_64
Kernel UUID: 7B6546C7-70E8-3ED8-A6C3-C927E4D3D0D6
System model name: MacBookPro6,1 (Mac-F22589C8)

System uptime in nanoseconds: 4757687477496
last loaded kext at 856080789719: com.apple.iokit.IOAVBFamily 1.0.0d22 (addr 0xffffff7f807e7000, size 36864)
last unloaded kext at 929576507964: com.apple.iokit.IOAVBFamily 1.0.0d22 (addr 0xffffff7f807e7000, size 36864)
loaded kexts:
com.sophos.kext.sav 8.0.1
com.parallels.kext.prl_vnic 7.0 15055.740667
com.parallels.kext.prl_netbridge 7.0 15055.740667
com.parallels.kext.prl_hid_hook 7.0 15055.740667
com.parallels.kext.prl_hypervisor 7.0 15055.740667
com.parallels.kext.prl_usb_connect 7.0 15055.740667
com.Cycling74.driver.Soundflower 1.5.2
com.iospirit.driver.rbiokithelper 1.8.0
com.AmbrosiaSW.AudioSupport 3.2
com.apple.filesystems.afpfs 9.8
com.apple.nke.asp_tcp 6.0.1
com.apple.driver.AppleHWSensor 1.9.4d0
com.apple.filesystems.autofs 3.0
com.apple.driver.IOBluetoothSCOAudioDriver 4.0.3f12
com.apple.driver.AudioAUUC 1.59
com.apple.driver.AppleMikeyHIDDriver 122
com.apple.driver.AppleHDA 2.1.7f9
com.apple.driver.AppleMikeyDriver 2.1.7f9
com.apple.driver.AGPM 100.12.42
com.apple.iokit.IOUserEthernet 1.0.0d1
com.apple.Dont_Steal_Mac_OS_X 7.0.0
com.apple.driver.AppleUpstreamUserClient 3.5.9
com.apple.driver.AudioIPCDriver 1.2.2
com.apple.driver.AppleMCCSControl 1.0.26
com.apple.driver.AppleSMCLMU 2.0.1d2
com.apple.driver.ACPI_SMC_PlatformPlugin 4.7.5d4
com.apple.driver.AppleLPC 1.5.3
com.apple.driver.AppleMuxControl 3.0.16
com.apple.GeForce 7.1.8
com.apple.driver.AppleIntelHDGraphics 7.1.8
com.apple.driver.AppleIntelHDGraphicsFB 7.1.8
com.apple.driver.SMCMotionSensor 3.0.1d2
com.apple.driver.AppleUSBTCButtons 225.2
com.apple.driver.AppleUSBTCKeyboard 225.2
com.apple.iokit.SCSITaskUserClient 3.0.3
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1
com.apple.BootCache 33
com.apple.iokit.IOAHCIBlockStorage 2.0.1
com.apple.driver.AppleUSBHub 4.5.0
com.apple.driver.AppleFWOHCI 4.8.9
com.apple.driver.AirPort.Brcm4331 513.20.19
com.apple.driver.AppleSmartBatteryManager 161.0.0
com.apple.driver.AppleEFINVRAM 1.5.0
com.apple.iokit.AppleBCM5701Ethernet 3.0.8b2
com.apple.driver.AppleAHCIPort 2.2.0
com.apple.driver.AppleUSBEHCI 4.5.8
com.apple.driver.AppleACPIButtons 1.4
com.apple.driver.AppleRTC 1.4
com.apple.driver.AppleHPET 1.6
com.apple.driver.AppleSMBIOS 1.7
com.apple.driver.AppleACPIEC 1.4
com.apple.driver.AppleAPIC 1.5
com.apple.driver.AppleIntelCPUPowerManagementClient 167.3.0
com.apple.nke.applicationfirewall 3.2.30
com.apple.security.quarantine 1.1
com.apple.driver.AppleIntelCPUPowerManagement 167.3.0
com.apple.security.SecureRemotePassword 1.0
com.apple.kext.triggers 1.0
com.apple.driver.DspFuncLib 2.1.7f9
com.apple.driver.AppleSMBusController 1.0.10d0
com.apple.iokit.IOSurface 80.0
com.apple.iokit.IOBluetoothSerialManager 4.0.3f12
com.apple.iokit.IOSerialFamily 10.0.5
com.apple.iokit.IOAudioFamily 1.8.6fc6
com.apple.kext.OSvKernDSPLib 1.3
com.apple.driver.ApplePolicyControl 3.0.16
com.apple.iokit.IOFireWireIP 2.2.4
com.apple.driver.AppleHDAController 2.1.7f9
com.apple.iokit.IOHDAFamily 2.1.7f9
com.apple.driver.IOPlatformPluginFamily 4.7.5d4
com.apple.driver.AppleSMBusPCI 1.0.10d0
com.apple.driver.AppleGraphicsControl 3.0.16
com.apple.driver.AppleBacklightExpert 1.0.3
com.apple.nvidia.nv50hal 7.1.8
com.apple.NVDAResman 7.1.8
com.apple.iokit.IONDRVSupport 2.3.2
com.apple.iokit.IOGraphicsFamily 2.3.2
com.apple.driver.AppleSMC 3.1.1d8
com.apple.driver.BroadcomUSBBluetoothHCIController 4.0.3f12
com.apple.driver.AppleUSBBluetoothHCIController 4.0.3f12
com.apple.iokit.IOBluetoothFamily 4.0.3f12
com.apple.driver.AppleUSBMultitouch 227.1
com.apple.iokit.IOUSBHIDDriver 4.4.5
com.apple.driver.AppleUSBMergeNub 4.5.3
com.apple.driver.AppleUSBComposite 4.5.8
com.apple.iokit.IOSCSIMultimediaCommandsDevice 3.0.3
com.apple.iokit.IOBDStorageFamily 1.6
com.apple.iokit.IODVDStorageFamily 1.7
com.apple.iokit.IOCDStorageFamily 1.7
com.apple.driver.XsanFilter 403
com.apple.iokit.IOAHCISerialATAPI 2.0.1
com.apple.iokit.IOSCSIArchitectureModelFamily 3.0.3
com.apple.iokit.IOUSBUserClient 4.5.8
com.apple.iokit.IOFireWireFamily 4.4.5
com.apple.iokit.IO80211Family 412.2
com.apple.iokit.IOEthernetAVBController 1.0.0d5
com.apple.iokit.IONetworkingFamily 2.0
com.apple.iokit.IOAHCIFamily 2.0.7
com.apple.iokit.IOUSBFamily 4.5.8
com.apple.driver.AppleEFIRuntime 1.5.0
com.apple.iokit.IOHIDFamily 1.7.1
com.apple.iokit.IOSMBusFamily 1.1
com.apple.security.sandbox 177.3
com.apple.kext.AppleMatch 1.0.0d1
com.apple.security.TMSafetyNet 7
com.apple.driver.DiskImages 331
com.apple.iokit.IOStorageFamily 1.7
com.apple.driver.AppleKeyStore 28.18
com.apple.driver.AppleACPIPlatform 1.4
com.apple.iokit.IOPCIFamily 2.6.8
com.apple.iokit.IOACPIFamily 1.4