My mac keep quiting and restarting for no apparrent reason any ideas

My mac keeps quiting and restarting, like the power has gone out but it hasn't, any ideas?

Which version of OS X do you have installed and please describe your iMac's specifications. Without this vital information it is difficult to help you. Also please complete your profile so we can find out about your system, if you don't know how please click Profile Update for instructions. It will not show on this thread however it will on your next thread.

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  • My mac keeps crashing and restarting.

    While i'm using iMovie and it's features, my mac crashes and restarts. This all started after I updates to Yosemite and the corresponding app updates. Any similar issues and successful troubleshooting methods? Its very frustrating.

    This is in the report upon restart...
    Anonymous UUID:       F6B9F998-507C-9E1D-8894-8B5D822C5B90
    Wed Mar  4 22:52:57 2015
    *** Panic Report ***
    panic(cpu 3 caller 0xffffff7f901e7f63): "GPU Panic: [<None>] 3 3 7f 0 0 0 0 3 : NVRM[0/1:0:0]: Read Error 0x00000100: CFG 0xffffffff 0xffffffff 0xffffffff, BAR0 0xd2000000 0xffffff80b51bb000 0x0a5480a2, D0, P3/4\n"@/SourceCache/AppleGraphicsControl/AppleGraphicsControl-3.8.6/src/AppleM uxControl/kext/GPUPanic.cpp:127
    Backtrace (CPU 3), Frame : Return Address
    0xffffff80a3f62e40 : 0xffffff800d52fe41
    0xffffff80a3f62ec0 : 0xffffff7f901e7f63
    0xffffff80a3f62fa0 : 0xffffff7f8e223b9f
    0xffffff80a3f63060 : 0xffffff7f8e2ed18e
    0xffffff80a3f630a0 : 0xffffff7f8e2ed1fe
    0xffffff80a3f63110 : 0xffffff7f8e56c056
    0xffffff80a3f63240 : 0xffffff7f8e31082d
    0xffffff80a3f63260 : 0xffffff7f8e22a5f1
    0xffffff80a3f63310 : 0xffffff7f8e2280fc
    0xffffff80a3f63510 : 0xffffff7f8e229a4b
    0xffffff80a3f635e0 : 0xffffff7f8f83db37
    0xffffff80a3f636b0 : 0xffffff7f8f8697de
    0xffffff80a3f63740 : 0xffffff7f8f851547
    0xffffff80a3f637a0 : 0xffffff7f8f851e53
    0xffffff80a3f637f0 : 0xffffff7f8f8521c0
    0xffffff80a3f63860 : 0xffffff7f8f852a11
    0xffffff80a3f638a0 : 0xffffff7f8f81e0f5
    0xffffff80a3f63a20 : 0xffffff7f8f84f3c1
    0xffffff80a3f63ae0 : 0xffffff7f8f81cc15
    0xffffff80a3f63b30 : 0xffffff800daffb16
    0xffffff80a3f63b60 : 0xffffff800db0122b
    0xffffff80a3f63bc0 : 0xffffff800dafe9c3
    0xffffff80a3f63d00 : 0xffffff800d5e4a87
    0xffffff80a3f63e10 : 0xffffff800d533f8c
    0xffffff80a3f63e40 : 0xffffff800d518a93
    0xffffff80a3f63e90 : 0xffffff800d5293bd
    0xffffff80a3f63f10 : 0xffffff800d6059fa
    0xffffff80a3f63fb0 : 0xffffff800d636ea6
          Kernel Extensions in backtrace:
             com.apple.driver.AppleMuxControl(3.8.6)[BE610379-FAEA-3E8F-B6AF-F92B70B3C5CD]@0 xffffff7f901d9000->0xffffff7f901ecfff
                dependency: com.apple.driver.AppleGraphicsControl(3.8.6)[76B001B1-30F1-3D72-B264-85D77B254C 2F]@0xffffff7f901d1000
                dependency: com.apple.iokit.IOACPIFamily(1.4)[70E2B65E-A91A-3522-A1A0-79FD63EABB4C]@0xfffff f7f8e10a000
                dependency: com.apple.iokit.IOPCIFamily(2.9)[56AD16B5-4F29-3F74-93E7-D492B3966DE2]@0xffffff 7f8dd24000
                dependency: com.apple.iokit.IOGraphicsFamily(2.4.1)[619F6C9F-0461-3BA1-A75F-53BB0F87ACD3]@0 xffffff7f8e17c000
                dependency: com.apple.driver.AppleBacklightExpert(1.1.0)[42706EB3-1447-3931-A668-FBAC58AAAA 7A]@0xffffff7f901d4000
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                dependency: com.apple.iokit.IOPCIFamily(2.9)[56AD16B5-4F29-3F74-93E7-D492B3966DE2]@0xffffff 7f8dd24000
                dependency: com.apple.iokit.IONDRVSupport(2.4.1)[E5A48E71-70F5-3B01-81D3-C2B037BBE80A]@0xff ffff7f8e1c3000
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                dependency: com.apple.nvidia.classic.NVDAResmanTesla(10.0.0)[796AE430-39FB-3255-8161-D52AFA 28EE2B]@0xffffff7f8e1d3000
    BSD process name corresponding to current thread: iMovie
    Mac OS version:
    14C109
    Kernel version:
    Darwin Kernel Version 14.1.0: Mon Dec 22 23:10:38 PST 2014; root:xnu-2782.10.72~2/RELEASE_X86_64
    Kernel UUID: DCF5C2D5-16AE-37F5-B2BE-ED127048DFF5
    Kernel slide:     0x000000000d200000
    Kernel text base: 0xffffff800d400000
    __HIB  text base: 0xffffff800d300000
    System model name: MacBookPro6,2 (Mac-F22586C8)
    System uptime in nanoseconds: 1423244385248
    last loaded kext at 53600249853: com.apple.driver.AudioAUUC 1.70 (addr 0xffffff7f8fa49000, size 32768)
    last unloaded kext at 440775825590: com.apple.driver.AirPort.Brcm4360 910.26.12 (addr 0xffffff7f8ef7f000, size 6201344)
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    com.apple.driver.AppleHWSensor 1.9.5d0
    com.apple.driver.AGPM 100.15.5
    com.apple.filesystems.autofs 3.0
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    com.apple.driver.AppleOSXWatchdog 1
    com.apple.driver.AppleMikeyHIDDriver 124
    com.apple.driver.AppleMikeyDriver 269.25
    com.apple.driver.AppleHDA 269.25
    com.apple.driver.AppleUpstreamUserClient 3.6.1
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    com.apple.driver.AppleIntelHDGraphics 10.0.0
    com.apple.driver.AppleSMCLMU 2.0.7d0
    com.apple.driver.AppleMuxControl 3.8.6
    com.apple.driver.ACPI_SMC_PlatformPlugin 1.0.0
    com.apple.driver.AppleIntelHDGraphicsFB 10.0.0
    com.apple.driver.AppleMCCSControl 1.2.11
    com.apple.driver.AppleSMCPDRC 1.0.0
    com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport 4.3.2f6
    com.apple.iokit.IOUserEthernet 1.0.1
    com.apple.Dont_Steal_Mac_OS_X 7.0.0
    com.apple.driver.AppleHWAccess 1
    com.apple.driver.AppleHV 1
    com.apple.driver.AppleLPC 1.7.3
    com.apple.driver.SMCMotionSensor 3.0.4d1
    com.apple.driver.AppleUSBTCButtons 240.2
    com.apple.driver.AppleUSBCardReader 3.5.1
    com.apple.driver.AppleIRController 327.5
    com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1
    com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1
    com.apple.BootCache 35
    com.apple.driver.AppleUSBTCKeyboard 240.2
    com.apple.iokit.SCSITaskUserClient 3.7.3
    com.apple.driver.XsanFilter 404
    com.apple.iokit.IOAHCIBlockStorage 2.7.0
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    com.apple.driver.AppleAPIC 1.7
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    com.apple.nke.applicationfirewall 161
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    com.apple.AppleGraphicsDeviceControl 3.8.6
    com.apple.kext.triggers 1.0
    com.apple.iokit.IOSerialFamily 11
    com.apple.driver.DspFuncLib 269.25
    com.apple.kext.OSvKernDSPLib 1.15
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    com.apple.iokit.IOFireWireIP 2.2.6
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    com.apple.iokit.IOHDAFamily 269.25
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    com.apple.vecLib.kext 1.2.0
    com.apple.driver.AppleBacklightExpert 1.1.0
    com.apple.iokit.IONDRVSupport 2.4.1
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    com.apple.driver.IOPlatformPluginLegacy 1.0.0
    com.apple.driver.AppleSMBusPCI 1.0.12d1
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