10.6.8 won't boot after Software Update

I've installed 10.6.8 via Software Update and the Macbook Pro will not boot, causes a kernel panic. It will boot in Safe Boot however. I've tried installing the combo update as well, no change. Verify disk permissions, no change. Help!

panic(cpu 2 caller 0x2abf6a): Kernel trap at 0x0029f24f, type 14=page fault, registers:

CR0: 0x8001003b, CR2: 0x7aae9000, CR3: 0x00100000, CR4: 0x00000660

EAX: 0x7a6fe06c, EBX: 0xec835381, ECX: 0xfcf7b1e9, EDX: 0x7aae8ffd

CR2: 0x7aae9000, EBP: 0x820ebd18, ESI: 0x00000000, EDI: 0xec835381

EFL: 0x00010202, EIP: 0x0029f24f, CS: 0x00000008, DS: 0x00000010

Error code: 0x00000002

Backtrace (CPU 2), Frame : Return Address (4 potential args on stack)

0x820ebb18 : 0x21b837 (0x5dd7fc 0x820ebb4c 0x223ce1 0x0)

0x820ebb68 : 0x2abf6a (0x59e3d0 0x29f24f 0xe 0x59e59a)

0x820ebc48 : 0x2a1a78 (0x820ebc60 0x0 0x820ebd18 0x29f24f)

0x820ebc58 : 0x29f24f (0xe 0x20650048 0x820e0010 0x2a0010)

0x820ebd18 : 0x8255448f (0xfcf7b1e9 0xec835381 0xfcf7b1e9 0xec835381)

0x820ebd58 : 0x82556ef9 (0x588ffd 0x81fcf7b6 0x8255bab0 0x53c996)

0x820ebe18 : 0x543f60 (0xc654100 0xbefdf00 0x1 0x506b76)

0x820ebe78 : 0x542137 (0xbefdf00 0xc654100 0x5e5209 0x1)

0x820ebf28 : 0x5426e9 (0xbefdf00 0xc5873c0 0x0 0x516766)

0x820ebf78 : 0x5443d5 (0xbefdf00 0x0 0x820ebfac 0x1)

0x820ebfc8 : 0x2a179c (0xc61ff90 0x0 0x2a17ab 0xc467000)

Kernel Extensions in backtrace (with dependencies):

com.metakine.handsoff.driver(1.2.4)@0x82551000->0x8255ffff

BSD process name corresponding to current thread: kernel_task

Mac OS version:

Not yet set

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: MacBookPro6,1 (Mac-F22589C8)

System uptime in nanoseconds: 1576987135

unloaded kexts:

(none)

loaded kexts:

com.metakine.handsoff.driver 1.2.4

com.apple.driver.MaxTranserSizeOverrideDriver 2.6.1 - last loaded 1338933558

com.apple.driver.AppleUSBTCKeyEventDriver 201.6

com.apple.driver.AppleUSBTCKeyboard 201.6

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.AppleSmartBatteryManager 160.0.0

com.apple.driver.AppleUSBHub 4.2.4

com.apple.driver.AppleEFINVRAM 1.4.0

com.apple.driver.AppleAHCIPort 2.1.7

com.apple.driver.AppleUSBEHCI 4.2.4

com.apple.driver.AppleUSBUHCI 4.2.0

com.apple.driver.AppleACPIButtons 1.3.6

com.apple.driver.AppleRTC 1.3.1

com.apple.driver.AppleHPET 1.5

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 2.1.12

com.apple.driver.AppleIntelCPUPowerManagement 142.6.0

com.apple.iokit.IOSCSIBlockCommandsDevice 2.6.8

com.apple.iokit.IOUSBMassStorageClass 2.6.7

com.apple.driver.AppleUSBMultitouch 207.7

com.apple.iokit.IOUSBHIDDriver 4.2.0

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.driver.AppleUSBMergeNub 4.2.4

com.apple.driver.AppleUSBComposite 3.9.0

com.apple.driver.XsanFilter 402.1

com.apple.iokit.IOAHCISerialATAPI 1.2.6

com.apple.iokit.IOSCSIArchitectureModelFamily 2.6.8

com.apple.driver.AppleFileSystemDriver 2.0

com.apple.iokit.IOFireWireFamily 4.2.6

com.apple.iokit.IOUSBUserClient 4.2.4

com.apple.iokit.IOAHCIFamily 2.0.6

com.apple.iokit.IOUSBFamily 4.2.4

com.apple.driver.AppleEFIRuntime 1.4.0

com.apple.iokit.IOHIDFamily 1.6.6

com.apple.iokit.IOSMBusFamily 1.1

com.apple.security.TMSafetyNet 6

com.apple.kext.AppleMatch 1.0.0d1

com.apple.driver.DiskImages 289.1

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