IMac keeps shutting down due to error since Lion install

Recently my iMac has been shutting down on it's own. I have to unplug the power cord from the back in order to get it to turn on. This has happened about once a week for the last month or two. This last time I copied the error message.
Interval Since Last Panic Report: 465727 sec
Panics Since Last Report:          2
Anonymous UUID:                    CD508005-6FF1-4227-886B-5E9252653063
Thu Sep 29 22:21:40 2011
panic(cpu 1 caller 0xffffff80002c268d): Kernel trap at 0xffffff7f80f9f9e0, type 0=divide error, registers:
CR0: 0x0000000080010033, CR2: 0x0000000109ac4868, CR3: 0x000000002597e013, CR4: 0x00000000000206e0
RAX: 0x0000000000000b35, RBX: 0xffffff8080685904, RCX: 0x0000000000000000, RDX: 0x0000000000000000
RSP: 0xffffff807f58b140, RBP: 0xffffff807f58b140, RSI: 0xffffff7f810386b0, RDI: 0xffffff806b05c004
R8: 0x0000000000000000, R9: 0x0000000000000000, R10: 0x00000000000000ff, R11: 0x0000000000000010
R12: 0x0000000000000054, R13: 0x00000000000000ff, R14: 0x0000000000000015, R15: 0xffffff807f58b1e0
RFL: 0x0000000000010246, RIP: 0xffffff7f80f9f9e0, CS: 0x0000000000000008, SS: 0x0000000000000010
CR2: 0x0000000109ac4868, Error code: 0x0000000000000000, Faulting CPU: 0x1
Backtrace (CPU 1), Frame : Return Address
0xffffff807f58ae00 : 0xffffff8000220702
0xffffff807f58ae80 : 0xffffff80002c268d
0xffffff807f58b020 : 0xffffff80002d7a3d
0xffffff807f58b040 : 0xffffff7f80f9f9e0
0xffffff807f58b140 : 0xffffff7f80f9fe58
0xffffff807f58b260 : 0xffffff7f80f3f41a
0xffffff807f58b2c0 : 0xffffff7f80fa24ad
0xffffff807f58b3d0 : 0xffffff7f80fca62b
0xffffff807f58b430 : 0xffffff7f80f71170
0xffffff807f58b5d0 : 0xffffff7f80fcb726
0xffffff807f58b630 : 0xffffff7f80fcb985
0xffffff807f58b670 : 0xffffff7f80f599ee
0xffffff807f58b680 : 0xffffff7f80f8abb5
0xffffff807f58b6f0 : 0xffffff7f80f56879
0xffffff807f58b730 : 0xffffff7f809f0255
0xffffff807f58b770 : 0xffffff8000639d0e
0xffffff807f58b7c0 : 0xffffff7f809f01d6
0xffffff807f58b7e0 : 0xffffff7f809f0793
0xffffff807f58b820 : 0xffffff7f809efd81
0xffffff807f58b850 : 0xffffff7f80f159e9
0xffffff807f58b8a0 : 0xffffff8000344b0b
0xffffff807f58b9b0 : 0xffffff80003c3296
0xffffff807f58bc20 : 0xffffff80003d4276
0xffffff807f58bce0 : 0xffffff8000580404
0xffffff807f58bdd0 : 0xffffff8000586856
0xffffff807f58bec0 : 0xffffff8000586c39
0xffffff807f58bf50 : 0xffffff80005ca88b
0xffffff807f58bfb0 : 0xffffff80002d8383
      Kernel Extensions in backtrace:
         com.apple.iokit.IONetworkingFamily(2.0)[59A00F6B-3710-3E07-9921-70C45782FF8C]@0 xffffff7f809e1000->0xffffff7f80a09fff
         com.apple.iokit.IO80211Family(400.40)[78A58272-2170-3068-9C63-88301C99C406]@0xf fffff7f80eff000->0xffffff7f80f36fff
            dependency: com.apple.iokit.IONetworkingFamily(2.0)[59A00F6B-3710-3E07-9921-70C45782FF8C]@0 xffffff7f809e1000
         com.apple.driver.AirPort.Atheros40(500.55.5)[01000ACB-C064-3F42-820F-BDE2008267 25]@0xffffff7f80f37000->0xffffff7f81076fff
            dependency: com.apple.iokit.IOPCIFamily(2.6.5)[95ABB490-3AB5-3D5E-9C21-67089A9AE6A1]@0xffff ff7f808f4000
            dependency: com.apple.iokit.IO80211Family(400.40)[78A58272-2170-3068-9C63-88301C99C406]@0xf fffff7f80eff000
            dependency: com.apple.iokit.IONetworkingFamily(2.0)[59A00F6B-3710-3E07-9921-70C45782FF8C]@0 xffffff7f809e1000
BSD process name corresponding to current thread: mDNSResponder
Mac OS version:
11B26
Kernel version:
Darwin Kernel Version 11.1.0: Tue Jul 26 16:07:11 PDT 2011; root:xnu-1699.22.81~1/RELEASE_X86_64
Kernel UUID: D52AAB80-B2BC-3C6E-BBEA-78BD28064998
System model name: iMac11,2 (Mac-F2238AC8)
System uptime in nanoseconds: 208512945199483
last loaded kext at 186834703104972: com.apple.iokit.IOAVBFamily          1.0.0d22 (addr 0xffffff7f80864000, size 36864)
last unloaded kext at 186894929237751: com.apple.iokit.IOAVBFamily          1.0.0d22 (addr 0xffffff7f80864000, size 36864)
loaded kexts:
com.symantec.kext.SymAPComm          11.2.2f3
com.symantec.kext.fw          1.0.3f5
com.symantec.kext.ips          3.2f8
com.symantec.kext.pf          4.2.1f7
com.symantec.kext.internetSecurity          1.3.2f5
com.apple.filesystems.smbfs          1.7.0
com.apple.driver.AppleHWSensor          1.9.4d0
com.apple.driver.AppleBluetoothMultitouch          66.3
com.apple.driver.AGPM          100.12.40
com.apple.filesystems.autofs          3.0
com.apple.driver.AppleMikeyHIDDriver          122
com.apple.driver.AppleHDA          2.1.1f12
com.apple.driver.AppleMikeyDriver          2.1.1f12
com.apple.driver.AppleUpstreamUserClient          3.5.9
com.apple.driver.AppleMCCSControl          1.0.24
com.apple.driver.AudioAUUC          1.59
com.apple.kext.ATIFramebuffer          7.0.4
com.apple.iokit.IOUserEthernet          1.0.0d1
com.apple.Dont_Steal_Mac_OS_X          7.0.0
com.apple.driver.AudioIPCDriver          1.2.0
com.apple.driver.AirPort.Atheros40          500.55.5
com.apple.driver.ACPI_SMC_PlatformPlugin          4.7.0b2
com.apple.driver.AppleLPC          1.5.1
com.apple.driver.AppleBacklight          170.1.9
com.apple.ATIRadeonX2000          7.0.4
com.apple.driver.AppleIRController          309
com.apple.driver.AppleUSBCardReader          3.0.0
com.apple.iokit.SCSITaskUserClient          3.0.0
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless          1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
com.apple.BootCache          32
com.apple.driver.AppleFWOHCI          4.8.6
com.apple.iokit.IOAHCIBlockStorage          2.0.0
com.apple.driver.AppleUSBHub          4.4.0
com.apple.iokit.AppleBCM5701Ethernet          3.0.6b9
com.apple.driver.AppleEFINVRAM          1.5.0
com.apple.driver.AppleAHCIPort          2.1.8
com.apple.driver.AppleUSBEHCI          4.4.0
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          166.0.0
com.apple.nke.applicationfirewall          3.0.30
com.apple.security.quarantine          1
com.apple.driver.AppleIntelCPUPowerManagement          166.0.0
com.apple.driver.AppleBluetoothHIDKeyboard          152.3
com.apple.driver.AppleMultitouchDriver          220.62
com.apple.driver.IOBluetoothHIDDriver          2.5f17
com.apple.kext.triggers          1.0
com.apple.driver.DspFuncLib          2.1.1f12
com.apple.driver.AppleSMBusController          1.0.10d0
com.apple.iokit.IOSurface          80.0
com.apple.iokit.IOFireWireIP          2.2.3
com.apple.iokit.IOBluetoothSerialManager          2.5f17
com.apple.iokit.IOSerialFamily          10.0.5
com.apple.iokit.IOAudioFamily          1.8.3fc11
com.apple.kext.OSvKernDSPLib          1.3
com.apple.driver.AppleHDAController          2.1.1f12
com.apple.iokit.IOHDAFamily          2.1.1f12
com.apple.iokit.IO80211Family          400.40
com.apple.driver.AppleSMC          3.1.1d2
com.apple.driver.IOPlatformPluginFamily          4.7.0b2
com.apple.driver.AppleSMBusPCI          1.0.10d0
com.apple.driver.AppleBacklightExpert          1.0.3
com.apple.iokit.IONDRVSupport          2.3
com.apple.kext.ATI4600Controller          7.0.4
com.apple.kext.ATISupport          7.0.4
com.apple.iokit.IOGraphicsFamily          2.3
com.apple.driver.AppleUSBHIDKeyboard          152.3
com.apple.driver.AppleHIDKeyboard          152.3
com.apple.driver.BroadcomUSBBluetoothHCIController          2.5f17
com.apple.driver.AppleUSBBluetoothHCIController          2.5f17
com.apple.iokit.IOBluetoothFamily          2.5f17
com.apple.iokit.IOUSBHIDDriver          4.4.0
com.apple.iokit.IOUSBMassStorageClass          3.0.0
com.apple.iokit.IOSCSIBlockCommandsDevice          3.0.0
com.apple.iokit.IOFireWireSerialBusProtocolTransport          2.1.0
com.apple.iokit.IOFireWireSBP2          4.2.0
com.apple.driver.AppleUSBMergeNub          4.4.0
com.apple.driver.AppleUSBComposite          3.9.0
com.apple.iokit.IOSCSIMultimediaCommandsDevice          3.0.0
com.apple.iokit.IOBDStorageFamily          1.6
com.apple.iokit.IODVDStorageFamily          1.6
com.apple.iokit.IOCDStorageFamily          1.7
com.apple.driver.XsanFilter          403
com.apple.iokit.IOFireWireFamily          4.4.3
com.apple.iokit.IOAHCISerialATAPI          2.0.0
com.apple.iokit.IOSCSIArchitectureModelFamily          3.0.0
com.apple.iokit.IOUSBUserClient          4.4.0
com.apple.iokit.IOEthernetAVBController          1.0.0d5
com.apple.iokit.IONetworkingFamily          2.0
com.apple.iokit.IOAHCIFamily          2.0.6
com.apple.iokit.IOUSBFamily          4.4.0
com.apple.driver.AppleEFIRuntime          1.5.0
com.apple.iokit.IOHIDFamily          1.7.0
com.apple.iokit.IOSMBusFamily          1.1
com.apple.security.sandbox          165
com.apple.kext.AppleMatch          1.0.0d1
com.apple.security.TMSafetyNet          7
com.apple.driver.DiskImages          326
com.apple.iokit.IOStorageFamily          1.7
com.apple.driver.AppleKeyStore          28.18
com.apple.driver.AppleACPIPlatform          1.4
com.apple.iokit.IOPCIFamily          2.6.5
com.apple.iokit.IOACPIFamily          1.4
Model: iMac11,2, BootROM IM112.0057.B00, 2 processors, Intel Core i3, 3.06 GHz, 4 GB, SMC 1.64f5
Graphics: ATI Radeon HD 4670, ATI Radeon HD 4670, PCIe, 256 MB
Memory Module: BANK 0/DIMM1, 2 GB, DDR3, 1333 MHz, 0x80CE, 0x4D34373142353637334648302D4348392020
Memory Module: BANK 1/DIMM1, 2 GB, DDR3, 1333 MHz, 0x80CE, 0x4D34373142353637334648302D4348392020
AirPort: spairport_wireless_card_type_airport_extreme (0x168C, 0x8F), Atheros 9280: 4.0.55.4-P2P
Bluetooth: Version 2.5.0f17, 2 service, 19 devices, 1 incoming serial ports
Network Service: Wi-Fi, AirPort, en1
Serial ATA Device: WDC WD5000AAKS-40V6A0, 500.11 GB
Serial ATA Device: OPTIARC DVD RW AD-5680H
USB Device: hub_device, 0x0424 (SMSC), 0x2514, 0xfa100000 / 2
USB Device: Keyboard Hub, apple_vendor_id, 0x1006, 0xfa140000 / 5
USB Device: Apple Keyboard, apple_vendor_id, 0x0220, 0xfa142000 / 7
USB Device: Internal Memory Card Reader, apple_vendor_id, 0x8403, 0xfa120000 / 4
USB Device: BRCM2046 Hub, 0x0a5c (Broadcom Corp.), 0x4500, 0xfa110000 / 3
USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x8215, 0xfa111000 / 6
USB Device: hub_device, 0x0424 (SMSC), 0x2514, 0xfd100000 / 2
USB Device: IR Receiver, apple_vendor_id, 0x8242, 0xfd120000 / 4
USB Device: Built-in iSight, apple_vendor_id, 0x8502, 0xfd110000 / 3
FireWire Device: GoFlex Desk Mac, Seagate, 800mbit_speed
If anyone can help me with this I would appreciate it.
I have also had issues with the drives in the computer running fast for no reason which in turn causes the fan to blow extremely loud. The only fix I have found for turning the fan off is to put the computer to sleep, which then makes the drives go back to normal running speeds. When the fan starts blowing loudly, the drives are running upwards of 4000rpm. When I put the computer to sleep and wake it up again, the drives are running at the normal speeds of around 1000rpm. Please help.

I got another panic report last night after I uninstalled the antivirus software the other day. This is the error message that I got.
Interval Since Last Panic Report: 425727 sec
Panics Since Last Report:          1
Anonymous UUID:                    CD508005-6FF1-4227-886B-5E9252653063
Wed Oct 5 07:47:24 2011
panic(cpu 2 caller 0xffffff80002c268d): Kernel trap at 0xffffff7f80f089e0, type 0=divide error, registers:
CR0: 0x0000000080010033, CR2: 0x0000000101405000, CR3: 0x0000000071a0504d, CR4: 0x00000000000206e0
RAX: 0x00000000000005e5, RBX: 0xffffff8080423db4, RCX: 0x0000000000000000, RDX: 0x0000000000000000
RSP: 0xffffff807f662ff0, RBP: 0xffffff807f662ff0, RSI: 0xffffff7f80fa16b0, RDI: 0xffffff806afcf004
R8: 0x0000000000000000, R9: 0x0000000000000000, R10: 0x00000000000000ff, R11: 0x0000000000000010
R12: 0x0000000000000054, R13: 0x00000000000000ff, R14: 0x0000000000000015, R15: 0xffffff807f663090
RFL: 0x0000000000010246, RIP: 0xffffff7f80f089e0, CS: 0x0000000000000008, SS: 0x0000000000000010
CR2: 0x0000000101405000, Error code: 0x0000000000000000, Faulting CPU: 0x2
Backtrace (CPU 2), Frame : Return Address
0xffffff807f662cb0 : 0xffffff8000220702
0xffffff807f662d30 : 0xffffff80002c268d
0xffffff807f662ed0 : 0xffffff80002d7a3d
0xffffff807f662ef0 : 0xffffff7f80f089e0
0xffffff807f662ff0 : 0xffffff7f80f08e58
0xffffff807f663110 : 0xffffff7f80ea841a
0xffffff807f663170 : 0xffffff7f80f0b4ad
0xffffff807f663280 : 0xffffff7f80f3362b
0xffffff807f6632e0 : 0xffffff7f80eda170
0xffffff807f663480 : 0xffffff7f80f34726
0xffffff807f6634e0 : 0xffffff7f80f34985
0xffffff807f663520 : 0xffffff7f80ec29ee
0xffffff807f663530 : 0xffffff7f80ef3bb5
0xffffff807f6635a0 : 0xffffff7f80ebf879
0xffffff807f6635e0 : 0xffffff7f8095d255
0xffffff807f663620 : 0xffffff8000639d0e
0xffffff807f663670 : 0xffffff7f8095d1d6
0xffffff807f663690 : 0xffffff7f8095d793
0xffffff807f6636d0 : 0xffffff7f8095cd81
0xffffff807f663700 : 0xffffff7f80e7e9e9
0xffffff807f663750 : 0xffffff8000344b0b
0xffffff807f663860 : 0xffffff80003c333d
0xffffff807f663ad0 : 0xffffff80003caee9
0xffffff807f663b70 : 0xffffff80003cb3de
0xffffff807f663d60 : 0xffffff8000580404
0xffffff807f663e50 : 0xffffff8000563733
0xffffff807f663e80 : 0xffffff800056142f
0xffffff807f663f10 : 0xffffff8000561582
0xffffff807f663f60 : 0xffffff80005ca258
0xffffff807f663fb0 : 0xffffff80002d7f59
      Kernel Extensions in backtrace:
         com.apple.iokit.IONetworkingFamily(2.0)[59A00F6B-3710-3E07-9921-70C45782FF8C]@0 xffffff7f8094e000->0xffffff7f80976fff
         com.apple.iokit.IO80211Family(400.40)[78A58272-2170-3068-9C63-88301C99C406]@0xf fffff7f80e68000->0xffffff7f80e9ffff
            dependency: com.apple.iokit.IONetworkingFamily(2.0)[59A00F6B-3710-3E07-9921-70C45782FF8C]@0 xffffff7f8094e000
         com.apple.driver.AirPort.Atheros40(500.55.5)[01000ACB-C064-3F42-820F-BDE2008267 25]@0xffffff7f80ea0000->0xffffff7f80fdffff
            dependency: com.apple.iokit.IOPCIFamily(2.6.5)[95ABB490-3AB5-3D5E-9C21-67089A9AE6A1]@0xffff ff7f80861000
            dependency: com.apple.iokit.IO80211Family(400.40)[78A58272-2170-3068-9C63-88301C99C406]@0xf fffff7f80e68000
            dependency: com.apple.iokit.IONetworkingFamily(2.0)[59A00F6B-3710-3E07-9921-70C45782FF8C]@0 xffffff7f8094e000
BSD process name corresponding to current thread: Audiogalaxy Help
Mac OS version:
11B26
Kernel version:
Darwin Kernel Version 11.1.0: Tue Jul 26 16:07:11 PDT 2011; root:xnu-1699.22.81~1/RELEASE_X86_64
Kernel UUID: D52AAB80-B2BC-3C6E-BBEA-78BD28064998
System model name: iMac11,2 (Mac-F2238AC8)
System uptime in nanoseconds: 416590509706344
last loaded kext at 387321841939230: com.apple.filesystems.cddafs          2.5.0 (addr 0xffffff7f807ef000, size 24576)
last unloaded kext at 388659936046732: com.apple.filesystems.cddafs          2.5.0 (addr 0xffffff7f807ef000, size 20480)
loaded kexts:
com.apple.driver.AppleBluetoothMultitouch          66.3
com.apple.filesystems.smbfs          1.7.0
com.apple.driver.AppleHWSensor          1.9.4d0
com.apple.driver.AppleMikeyHIDDriver          122
com.apple.driver.AppleUpstreamUserClient          3.5.9
com.apple.driver.AppleMCCSControl          1.0.24
com.apple.kext.ATIFramebuffer          7.0.4
com.apple.ATIRadeonX2000          7.0.4
com.apple.driver.AppleMikeyDriver          2.1.1f12
com.apple.driver.AppleHDA          2.1.1f12
com.apple.driver.AGPM          100.12.40
com.apple.driver.AudioAUUC          1.59
com.apple.iokit.IOUserEthernet          1.0.0d1
com.apple.Dont_Steal_Mac_OS_X          7.0.0
com.apple.driver.AudioIPCDriver          1.2.0
com.apple.driver.AirPort.Atheros40          500.55.5
com.apple.driver.ACPI_SMC_PlatformPlugin          4.7.0b2
com.apple.driver.AppleLPC          1.5.1
com.apple.driver.AppleBacklight          170.1.9
com.apple.filesystems.autofs          3.0
com.apple.driver.AppleIRController          309
com.apple.driver.AppleUSBCardReader          3.0.0
com.apple.iokit.SCSITaskUserClient          3.0.0
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless          1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
com.apple.BootCache          32
com.apple.driver.AppleFWOHCI          4.8.6
com.apple.driver.AppleUSBHub          4.4.0
com.apple.iokit.AppleBCM5701Ethernet          3.0.6b9
com.apple.iokit.IOAHCIBlockStorage          2.0.0
com.apple.driver.AppleEFINVRAM          1.5.0
com.apple.driver.AppleAHCIPort          2.1.8
com.apple.driver.AppleUSBEHCI          4.4.0
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          166.0.0
com.apple.nke.applicationfirewall          3.0.30
com.apple.security.quarantine          1
com.apple.driver.AppleIntelCPUPowerManagement          166.0.0
com.apple.driver.AppleMultitouchDriver          220.62
com.apple.driver.AppleBluetoothHIDKeyboard          152.3
com.apple.driver.IOBluetoothHIDDriver          2.5f17
com.apple.iokit.IOBluetoothSerialManager          2.5f17
com.apple.iokit.IOSerialFamily          10.0.5
com.apple.driver.DspFuncLib          2.1.1f12
com.apple.driver.AppleSMBusController          1.0.10d0
com.apple.kext.ATI4600Controller          7.0.4
com.apple.kext.ATISupport          7.0.4
com.apple.iokit.IOSurface          80.0
com.apple.iokit.IOAudioFamily          1.8.3fc11
com.apple.kext.OSvKernDSPLib          1.3
com.apple.iokit.IOFireWireIP          2.2.3
com.apple.driver.AppleHDAController          2.1.1f12
com.apple.iokit.IOHDAFamily          2.1.1f12
com.apple.iokit.IO80211Family          400.40
com.apple.driver.AppleSMC          3.1.1d2
com.apple.driver.IOPlatformPluginFamily          4.7.0b2
com.apple.driver.AppleSMBusPCI          1.0.10d0
com.apple.driver.AppleBacklightExpert          1.0.3
com.apple.iokit.IONDRVSupport          2.3
com.apple.iokit.IOGraphicsFamily          2.3
com.apple.kext.triggers          1.0
com.apple.driver.AppleUSBHIDKeyboard          152.3
com.apple.driver.AppleHIDKeyboard          152.3
com.apple.driver.BroadcomUSBBluetoothHCIController          2.5f17
com.apple.driver.AppleUSBBluetoothHCIController          2.5f17
com.apple.iokit.IOBluetoothFamily          2.5f17
com.apple.iokit.IOUSBHIDDriver          4.4.0
com.apple.iokit.IOUSBMassStorageClass          3.0.0
com.apple.iokit.IOSCSIBlockCommandsDevice          3.0.0
com.apple.iokit.IOFireWireSerialBusProtocolTransport          2.1.0
com.apple.iokit.IOFireWireSBP2          4.2.0
com.apple.driver.AppleUSBMergeNub          4.4.0
com.apple.driver.AppleUSBComposite          3.9.0
com.apple.iokit.IOSCSIMultimediaCommandsDevice          3.0.0
com.apple.iokit.IOBDStorageFamily          1.6
com.apple.iokit.IODVDStorageFamily          1.6
com.apple.iokit.IOCDStorageFamily          1.7
com.apple.driver.XsanFilter          403
com.apple.iokit.IOAHCISerialATAPI          2.0.0
com.apple.iokit.IOSCSIArchitectureModelFamily          3.0.0
com.apple.iokit.IOFireWireFamily          4.4.3
com.apple.iokit.IOUSBUserClient          4.4.0
com.apple.iokit.IOEthernetAVBController          1.0.0d5
com.apple.iokit.IONetworkingFamily          2.0
com.apple.iokit.IOAHCIFamily          2.0.6
com.apple.iokit.IOUSBFamily          4.4.0
com.apple.driver.AppleEFIRuntime          1.5.0
com.apple.iokit.IOHIDFamily          1.7.0
com.apple.iokit.IOSMBusFamily          1.1
com.apple.security.sandbox          165
com.apple.kext.AppleMatch          1.0.0d1
com.apple.security.TMSafetyNet          7
com.apple.driver.DiskImages          326
com.apple.iokit.IOStorageFamily          1.7
com.apple.driver.AppleKeyStore          28.18
com.apple.driver.AppleACPIPlatform          1.4
com.apple.iokit.IOPCIFamily          2.6.5
com.apple.iokit.IOACPIFamily          1.4
I would appreciate any help

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My iphone keeps shutting down randomly. 3-7 times a day. Ever since I installed IO7. How do I fix or reinstall IO6?

Hey Kaylyn07,
Thanks for the question. The following article may help in troubleshooting Kernal Panic’s for OS X:
OS X: When your computer spontaneously restarts or displays "Your computer restarted because of a problem."
http://support.apple.com/kb/TS4636
In most cases, kernel panics are not caused by an issue with the Mac itself. They are usually caused by software that was installed, or a problem with connected hardware.
To help avoid kernel panics, install all available software updates until Software Update reports, "Your software is up to date." OS X updates help your Mac handle the kinds of issues that can cause kernel panics, such as malformed network packets, or third party software issues. For most kernel panics, updating your software is all you have to do.
Diagnosing a recurring kernel panic can be difficult. If you need help with this process, consider bringing your Mac to a Genius at an Apple Store or an Apple Authorized Service Provider for help. If you plan to visit an Apple Retail store, you can make a reservation (available in some countries only).
Thanks,
Matt M.

Just updated my RAM and now iMac shuts down "due to error" when in FCPX

Hi there,
So, I just purchased FCPX last week. Edited one of my projects only to find that my RAM is overloaded and isn't allowing my computer to handle to workload. Therefore I upgraded my RAM today to the max (16GB). Get my iMac home and up and running, everything looks good. I start up FINAL CUT PRO X, load my Library.....then boom.....shut down "due to error". THREE TIMES. Below is my system and info on new RAM. PLEASE HELP ASAP AS THIS IS TIME SENSITIVE! I upgraded my RAM due to the suggestion that it would solve my slow rendering/choppy video playback in FCPX.
Thanks. Ashley
SYSTEM: 21.5 inch iMac OS X version 10.9.4 (Mavericks)
PROCESSOR: 3.2 GHz Intel Core i3
STORAGE: 364 GB (out of 999.99 GB)
MEMORY: 16 GB (was 4 GB before upgrade)

Your Computer looks to be a Late 2010 iMac, if so is the RAM spec as shown below?
Maximum Memory
16 GB
Memory Slots
4 - 204-pin PC3-10600 (1333 MHz) DDR3 SO-DIMM

My iMac keeps shutting down suddenly. Does anyone know what's causing this?

My iMac keeps shutting down suddenly. Does anyone know what's causing this?

Intel-based Macs: Resetting the System Management Controller (SMC)

Why does my 2009 27" imac keep shutting down?

why does my 2009 27" imac keep shutting down?

Could, also, be failing hard drive , power supply or logic board.
You may have to make an appointment and take your iMac in to Apple or Apple authorized repair center for diagnostics and a repair estimate.
If your iMac has a 1 TB internal hard drive, it maybe a Seagate drive and maybe eligible for free replacement under the Apple Seagate 1 TB internal hard drive replacement program.
If you can get your iMac running, you need to backup all of your data ASAP!. Either backup to optical disc, flash drive/s or purchase an external hard drive for backup. You can use a data cloning program such as CarbonCopyCloner or SuperDuper to make an exact copy of your iMac's internal hard drive.
You can check for eligibility for free hard drive replacement by inputting your iMac's serial number here.
http://www.apple.com/support/imac-harddrive/

IMac keep shutting down black screen then have to hold power button down then turn it on again i did this 4 times in all of a period of 5 minutes what to do ??

iMac keep shutting down black screen then have to hold power button down then turn it on again i did this 4 times in all of a period of 15 minutes what to do ??

Hmm. The problem still may be the RAM - Apple buys the RAM it puts in its machines from third-party vendors (usually Hynix) so it could be a RAM problem.
There are a couple of things that you can do yourself before taking your machine into an Apple Store or an AASP... download and run an application named Rember that will run a RAM test for you - let it run for a couple of hours or even overnight. If it turns out that your RAM is faulty, Rember will let you know. If it is faulty, then you have a couple of options - replace the RAM yourself or (particularly if you're under warranty still) take the machine to an Apple Store or AASP and have them replace the RAM.
If Rember finds no fault with the RAM, then you'll need to take it into an Apple Store/AASP and get a free diagnosis on the machine. Three beeps do usually indicate faulty RAM, but if it tests good with Rember you likely have another problem - it could be something as simple as the RAM, somehow, not seated correctly or signs of another hardware problem.
Run Rember first... call back with results.
Good luck,
Clinton

Imac keeps shutting down as soon as I start an application

Really need some help - I have an imac 27inch 2009 Intel - It keeps shutting down as soon as I start to use any application weather it be photoshop or itunes!
I have reset the PRAM, also reset the SMC. Also managed to do a software update which worked fine, although I'm fairly sure software isnt the issue.
I have plugged directly into the wall too. It seems to stay on if i dont use it, but as soon as I start to do anything - boom, it goes off. Its driving me crazy.
Any help would be appreciated.
Cheers.

mehdifromglasgow wrote:
Ran the hardware test 3 runs with no errors, took around 3hrs!
Just backing up a few files first.
Should I re-install OS?
Yup told you it was a lengthy test. Yes I think you should re-install OS X, before you do what verison of OS X is installed?
BTW please update your profile, you will find it under My Stuff in the upper right of this page. You should at least list what computers you have and what version(s) of OS X is installed on each otherwise we can't get an accurate picture of what is going on.

IMac keeps shutting down when asleep. Need to unplug and start again.

iMac keeps shuting down after being put sleep or going to sleep on its own. Requires disconnecting and restart. Is there a fix?

Gary...
Try Resetting the System Management Controller (SMC)
Power:
The computer doesn't respond to the power button when pressed.
A portable Mac doesn't appear to respond properly when you close or open the lid.
The computer sleeps or shuts down unexpectedly.
The battery does not appear to be charging properly.
The MagSafe power adaptor LED doesn't appear to indicate the correct activity."

Imac keeps shutting down any suggestions?

Mac desktop keeps shutting down or screen freezes when not in use. Any suggestions on how to fix?

Startup in Safe Mode
http://support.apple.com/kb/PH14204

IMac keeps shutting down during startup loading bar under apple sign

My electricity went out and came back on a minute later. When my computer started up again the font was back to original factory setting. I then restarted my computer and every time it would load up it would shutdown. The computer chimes and then reaches a grey screen with an apple sign. Below it is a loading bar. This bar loads about 10% then goes back down and loads from 0%. A couple minutes later it shuts down after staying at 0%. It keeps doing this routine every time I start the computer. I then did a command s and rebooted the computer to factory reset it. The computer still shuts down and has the old habit of reaching 10% and 0% with the loading bar but now after the loading bar is at 0% it then disappears to the Apple sign and a loading circle. It then shuts down again. This iMac was originally 10.6.8. but i believe i updated it to 10.9.4 and was purchased new around 2008. I also tried to put in a CD with Firmware Restoration CD 1.7. but that didnt work. Can anyone help? or has anyone had similar issues?

Hello canwary
Good job on troubleshooting your issue so far. For most issues that deal with your Mac not starting up, consult the article below to see what the issue could be.
Mac OS X: Gray screen appears during startup
http://support.apple.com/en-us/TS2570
Let me know if this helps,
-Norm G.

2011 iMac keeps shutting down at random after Mavericks install.

Installed Mavericks day 1 of the public build on App Store and ever since my Mac will just randomly shut down and not let me power it back up. Only has happened when browsing the web and after shut down I have removed power cord from iMac and wall, and also tried different outlets and nothing the first two times I was able to get it back up and running after about 20 minutes of it just being off. Third time it happened I was not so lucky, made an genius appt and they ran diagnostic test and checked power cord and it of course worked fine for them, took it home and booted instantly... Now 24 hours later it just shut off again and no luck getting it going. Suggestions please or should I schedule another appt and have them send it in?

Installed Mavericks day 1 of the public build on App Store and ever since my Mac will just randomly shut down and not let me power it back up. Only has happened when browsing the web and after shut down I have removed power cord from iMac and wall, and also tried different outlets and nothing the first two times I was able to get it back up and running after about 20 minutes of it just being off. Third time it happened I was not so lucky, made an genius appt and they ran diagnostic test and checked power cord and it of course worked fine for them, took it home and booted instantly... Now 24 hours later it just shut off again and no luck getting it going. Suggestions please or should I schedule another appt and have them send it in?

IMac keeps shutting down while in sleep

I have an iMac G-5 without iSight.......not sure if this started happening after the last sucurity update or installing HP printer software, but now when the computer goes into sleep, it waits awhile and then shuts down entirely, forcing me to turn the computer back on. I uninstalled the HP software, and repaired permissions, but this still keeps happening. Any ideas on what caused this and what I can do to fix it?
iMac G-5 Mac OS X (10.3.9) 80 gig hardrive which has about 2 gigs left

Hi,
I am having a similar problem. I have an iMAC (serial in the range W8435xxxxxx - W8522xxxxxx) and in the two weeks, when the computer is put to sleep it turns off. However, I only notice this in the morning after it has been asleep all night. The problem seems to be far more frequent when I put it to sleep as opposed to just letting it time out and go to sleep that way.
I have applied all updates and the only modification to the computer is extra ram (from Other World Computing).
I have seen elsewhere that I can see the computer's reason for shutdown in "system.log". Can anyone tell me how to find that so I can look for the shutdown code there?
Any ideas?

Imac keeps shutting down

We bought a 2007 intel based Imac in 2008. It was refurbished but seemed to be working just fine. Just after the year warranty ran out in 2009 the computer started randomly shutting itself down and restarting. We thought it might be a ram issue so we took out the ram we had added and then the computer wouldn't start at all. It seems to be connected somehow with hybernation or sleeping. Whenever I use those modes the computer shuts down more often it will even shut down and restart during hybernation. We took it to an apple certified repair shop. They ran a diagnostic and replaced the fan but after a few days it started shutting down again. Took it back and the diagnostic didn't turn up anything so they have no idea what might be causing it. The worst thing is that sometimes it will shut down and will not start up again. I have tried unplugging it and sometimes that works but sometimes it will be unplugged for hours and even when I plug it in again it will not restart. I've read a lot of people dealing with this issue but have yet to find an answer that seems to solve the problem. Any ideas?

Try resetting the SMC, http://support.apple.com/kb/HT3964?viewlocale=en_US

Imac keeps shutting down - is this a power supply issue

Dear all. Help would be much appreciated.
my imac G5 has recently started shutting down by itself - always about 1 minute after starting up... I have seen a few suggestions to reset the PRAM and the power switch - both of which I have done to no avail.
I have hoovered the dust out - still same problem.
Question is - can I be confident that this IS the issue - and order a replacement part?
I would like to install it myself - thus avoiding cost for a repair - and am confident I could do it if I had good instructiuons.
Can anyone help me with my diagnosis or how to fit a new power supply?
Thanks in advance - I am really missing my imac!

You can't be completely sure that it's the power supply, it could be bad caps . Open the machine up and inspect the caps, and also the ones in the power supply unit. If any of them is bulging or leaking, that would be your problem. Look at http://www.jimwarholic.com/2008/07/how-to-repair-apple-imac-g5.php for instructions and help.
You can also try to run Apple Hardware test from your install disk and see if it comes up with anything, also, from your install disc try to run Disk Utility:
1. Insert the Mac OS X Install disc that came with your computer, then restart the computer while holding the C key.
2. When your computer finishes starting up from the disc, choose Disk Utility from the Installer menu. (In Mac OS X 10.4 or later, you must select your language first.)
Important: Do not click Continue in the first screen of the Installer. If you do, you must restart from the disc again to access Disk Utility.
3. Click the First Aid tab.
4. Click the disclosure triangle to the left of the hard drive icon to display the names of your hard disk volumes and partitions.
5. Select your Mac OS X volume.
6. Click Repair. Disk Utility checks and repairs the disk.

IMac keeps shutting down after Time Machine recovery

I have a late 2007 iMac. The hardrive died, so I installed a new SSD. I have a Time Machine backp on a usb drive and aslo a bootable usb drive created a couple of months ago. I installed Maverics on the new SSD (I was running Maverics before as well), and up to this point everything worked fine. Than I started from Recovery Drive and run Recovery from Time Machine. It seemed to be working fine, but after it was done, the iMac shut down. Now every time I start it, it chimes, the gray background with apple appears, and it shuts down immediately.I repeated the whole proces twice, same thing happend. I also tried to do migration instead of recovey, which worked, but that didn't copy all my files, just the program files.
I have no clue, what to do. Any suggestions?

I have a late 2007 iMac. The hardrive died, so I installed a new SSD. I have a Time Machine backp on a usb drive and aslo a bootable usb drive created a couple of months ago. I installed Maverics on the new SSD (I was running Maverics before as well), and up to this point everything worked fine. Than I started from Recovery Drive and run Recovery from Time Machine. It seemed to be working fine, but after it was done, the iMac shut down. Now every time I start it, it chimes, the gray background with apple appears, and it shuts down immediately.I repeated the whole proces twice, same thing happend. I also tried to do migration instead of recovey, which worked, but that didn't copy all my files, just the program files.
I have no clue, what to do. Any suggestions?

IMac keeps shutting down due to error since Lion install

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