A gray screen comes on and says i must restart my computer

I was watching a show on MTV.com and suddenly the computer froze and a gray screen came down and said that I must restart my computer.  Do I have a virus?  I am also using OS Lion. Please help!  Thanks

Interval Since Last Panic Report:  517878 sec
Panics Since Last Report:          1
Anonymous UUID:                    A33A06A7-35F6-4227-8031-16A17AF70948
Thu Sep 15 16:57:38 2011
panic(cpu 0 caller 0xffffff80002c268d): Kernel trap at 0xffffff7f80ebcfb0, type 14=page fault, registers:
CR0: 0x000000008001003b, CR2: 0x0000000000000000, CR3: 0x0000000000100000, CR4: 0x0000000000000660
RAX: 0xffffff806b4df004, RBX: 0xffffff8000000000, RCX: 0x0000000000000000, RDX: 0xffffff80000000e0
RSP: 0xffffff807f40bce0, RBP: 0xffffff807f40bd10, RSI: 0xffffff8000000000, RDI: 0xffffff806b4da004
R8:  0x0000000000000001, R9:  0x00000000080e9bba, R10: 0x000000008f804126, R11: 0x00000000008f8041
R12: 0xffffff806b4da004, R13: 0x0000000000000000, R14: 0xffffff806b4da004, R15: 0x0000000000000000
RFL: 0x0000000000010282, RIP: 0xffffff7f80ebcfb0, CS:  0x0000000000000008, SS:  0x0000000000000000
CR2: 0x0000000000000000, Error code: 0x0000000000000002, Faulting CPU: 0x0
Backtrace (CPU 0), Frame : Return Address
0xffffff807f40b9a0 : 0xffffff8000220702
0xffffff807f40ba20 : 0xffffff80002c268d
0xffffff807f40bbc0 : 0xffffff80002d7a3d
0xffffff807f40bbe0 : 0xffffff7f80ebcfb0
0xffffff807f40bd10 : 0xffffff7f80eeb559
0xffffff807f40bd50 : 0xffffff7f80ebd9f1
0xffffff807f40be80 : 0xffffff7f80eb612d
0xffffff807f40bec0 : 0xffffff7f80e76936
0xffffff807f40bef0 : 0xffffff8000639626
0xffffff807f40bf30 : 0xffffff80006383a0
0xffffff807f40bf70 : 0xffffff8000638244
0xffffff807f40bfb0 : 0xffffff8000820057
      Kernel Extensions in backtrace:
         com.apple.driver.AirPort.Atheros40(500.55.5)[01000ACB-C064-3F42-820F-BDE2008267 25]@0xffffff7f80e57000->0xffffff7f80f96fff
            dependency: com.apple.iokit.IOPCIFamily(2.6.5)[95ABB490-3AB5-3D5E-9C21-67089A9AE6A1]@0xffff ff7f80821000
            dependency: com.apple.iokit.IO80211Family(400.40)[78A58272-2170-3068-9C63-88301C99C406]@0xf fffff7f80e1f000
            dependency: com.apple.iokit.IONetworkingFamily(2.0)[59A00F6B-3710-3E07-9921-70C45782FF8C]@0 xffffff7f8091d000
BSD process name corresponding to current thread: kernel_task
Boot args: 0x0
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: iMac10,1 (Mac-F2268CC8)
System uptime in nanoseconds: 65442456033032
last loaded kext at 65425304353727: com.apple.iokit.IOAVBFamily    1.0.0d22 (addr 0xffffff7f80796000, size 36864)
last unloaded kext at 65205919342983: com.apple.iokit.IOEthernetAVBController    1.0.0d5 (addr 0xffffff7f8078d000, size 20480)
loaded kexts:
com.parallels.kext.prl_vnic    6.0 12094.676494
com.parallels.kext.prl_netbridge    6.0 12094.676494
com.parallels.kext.prl_usb_connect    6.0 12094.676494
com.parallels.kext.prl_hid_hook    6.0 12094.676494
com.parallels.kext.prl_hypervisor    6.0 12094.676494
com.apple.driver.AppleUSBCDC    4.1.15
com.apple.driver.AppleHWSensor    1.9.4d0
com.apple.driver.AppleBluetoothMultitouch    66.3
com.apple.filesystems.autofs    3.0
com.apple.driver.AGPM    100.12.40
com.apple.driver.AppleMikeyHIDDriver    122
com.apple.driver.AppleHDA    2.1.1f12
com.apple.driver.AppleMikeyDriver    2.1.1f12
com.apple.driver.AudioAUUC    1.59
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.AppleBacklight    170.1.9
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.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.AppleIRController    309
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless    1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib    1.0.0d1
com.apple.BootCache    32
com.apple.driver.AppleUSBCardReader    3.0.0
com.apple.iokit.SCSITaskUserClient    3.0.0
com.apple.iokit.IOAHCIBlockStorage    2.0.0
com.apple.driver.AppleFWOHCI    4.8.6
com.apple.nvenet    2.0.17
com.apple.driver.AppleAHCIPort    2.1.8
com.apple.driver.AppleEFINVRAM    1.5.0
com.apple.driver.AppleRTC    1.4
com.apple.driver.AppleUSBHub    4.4.0
com.apple.driver.AppleUSBEHCI    4.4.0
com.apple.driver.AppleUSBOHCI    4.4.0
com.apple.driver.AppleHPET    1.6
com.apple.driver.AppleACPIButtons    1.4
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.iokit.IOAVBFamily    1.0.0d22
com.apple.iokit.IOEthernetAVBController    1.0.0d5
com.apple.driver.AppleBluetoothHIDKeyboard    152.3
com.apple.driver.AppleHIDKeyboard    152.3
com.apple.driver.AppleMultitouchDriver    220.62
com.apple.driver.IOBluetoothHIDDriver    2.5f17
com.apple.kext.triggers    1.0
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.iokit.IOFireWireIP    2.2.3
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.driver.AppleHDAController    2.1.1f12
com.apple.iokit.IOHDAFamily    2.1.1f12
com.apple.iokit.IO80211Family    400.40
com.apple.driver.IOPlatformPluginFamily    4.7.0b2
com.apple.driver.AppleSMBusPCI    1.0.10d0
com.apple.iokit.IOSurface    80.0
com.apple.iokit.IOGraphicsFamily    2.3
com.apple.driver.AppleSMC    3.1.1d2
com.apple.iokit.IOAudioFamily    1.8.3fc11
com.apple.kext.OSvKernDSPLib    1.3
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.IOSCSIBlockCommandsDevice    3.0.0
com.apple.iokit.IOUSBMassStorageClass    3.0.0
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.IONetworkingFamily    2.0
com.apple.iokit.IOAHCIFamily    2.0.6
com.apple.iokit.IOUSBUserClient    4.4.0
com.apple.iokit.IOUSBFamily    4.4.0
com.apple.driver.NVSMU    2.2.9
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
System Profile:
Model: iMac10,1, BootROM IM101.00CC.B00, 2 processors, Intel Core 2 Duo, 3.06 GHz, 4 GB, SMC 1.52f9
Graphics: ATI Radeon HD 4670, ATI Radeon HD 4670, PCIe, 256 MB
Memory Module: BANK 0/DIMM1, 2 GB, DDR3, 1067 MHz, 0x802C, 0x31364A53463235363634485A2D3147314631
Memory Module: BANK 1/DIMM1, 2 GB, DDR3, 1067 MHz, 0x802C, 0x31364A53463235363634485A2D3147314631
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: AirPort, AirPort, en1
Serial ATA Device: ST31000528ASQ, 1 TB
Serial ATA Device: OPTIARC DVD RW AD-5680H
USB Device: Photosmart C4500 series, 0x03f0  (Hewlett Packard), 0x6b11, 0x24100000 / 3
USB Device: Built-in iSight, apple_vendor_id, 0x8502, 0x24400000 / 2
USB Device: Internal Memory Card Reader, apple_vendor_id, 0x8403, 0x26500000 / 3
USB Device: SCR3310 v2.0 USB SC Reader, 0x04e6  (Shuttle Technology), 0x5116, 0x04300000 / 3
USB Device: IR Receiver, apple_vendor_id, 0x8242, 0x04500000 / 2
USB Device: BRCM2046 Hub, 0x0a5c  (Broadcom Corp.), 0x4500, 0x06100000 / 2
USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x8215, 0x06110000 / 5

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    If the drive is OK then quit DU and return to the installer.  Proceed with reinstalling OS X.  Note that the Snow Leopard installer will not erase your drive or disturb your files.  After installing a fresh copy of OS X the installer will move your Home folder, third-party applications, support items, and network preferences into the newly installed system.
    Download and install the Combo Updater for the version you prefer from support.apple.com/downloads/.
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  • My Mac is producing gray screen at startup and crashes. I'm afraid that everything explode and disappear, and can no longer connect and work with my Mac. Can anyone help ?? Thank you.

    My Mac is producing gray screen at startup and crashes. I'm afraid that everything explode and disappear, and can no longer connect and work with my Mac. Can anyone help ??
    Thank you.
    Problem description:
    gray screen at startup and crashes
    EtreCheck version: 2.1.1 (104)
    Report generated 6 de dezembro de 2014 13:29:43 BRST
    Hardware Information: ℹ️
      MacBook Pro (15-inch, Early 2011) (Verified)
      MacBook Pro - model: MacBookPro8,2
      1 2.2 GHz Intel Core i7 CPU: 4-core
      4 GB RAM
      BANK 0/DIMM0
      2 GB DDR3 1333 MHz ok
      BANK 1/DIMM0
      2 GB DDR3 1333 MHz ok
      Bluetooth: Old - Handoff/Airdrop2 not supported
      Wireless:  en1: 802.11 a/b/g/n
    Video Information: ℹ️
      AMD Radeon HD 6750M - VRAM: 1024 MB
      Color LCD 1440 x 900
      Intel HD Graphics 3000 - VRAM: 384 MB
    System Software: ℹ️
      Mac OS X 10.6.8 (10K549) - Uptime: 0:31:56
    Disk Information: ℹ️
      TOSHIBA MK7559GSXF disk0 : (698,64 GB)
      S.M.A.R.T. Status: Verified
      - (disk0s1) <not mounted> : 210 MB
      Macintosh HD (disk0s2) / : 749.81 GB (378.70 GB free)
      MATSHITADVD-R   UJ-898 
    USB Information: ℹ️
      Apple Inc. FaceTime HD Camera (Built-in)
      Apple Inc. Apple Internal Keyboard / Trackpad
      Apple Inc. BRCM2070 Hub
      Apple Inc. Bluetooth USB Host Controller
      Apple Computer, Inc. IR Receiver
    Thunderbolt Information: ℹ️
      Apple, Inc. MacBook Pro
    Problem System Launch Daemons: ℹ️
      [not loaded] org.samba.winbindd.plist [Support]
    Launch Agents: ℹ️
      [running] com.babylon.activation.plist [Support]
      [loaded] com.divx.dms.agent.plist [Support]
      [loaded] com.divx.update.agent.plist [Support]
      [loaded] com.hp.help.tocgenerator.plist [Support]
    Launch Daemons: ℹ️
      [loaded] com.adobe.fpsaud.plist [Support]
      [loaded] com.microsoft.office.licensing.helper.plist [Support]
    User Launch Agents: ℹ️
      [loaded] com.adobe.ARM.[...].plist [Support]
      [loaded] com.facebook.videochat.[redacted].plist [Support]
      [loaded] com.google.keystone.agent.plist [Support]
      [running] com.skype.c2c_service.plist [Support]
    User Login Items: ℹ️
      iTunesHelper UNKNOWNHidden (missing value)
      FaceboxPro Aplicativo (/Applications/FaceboxPro.app)
      Safari Aplicativo (/Applications/Safari.app)
      Octoshape Aplicativo (/Users/[redacted]/Library/Octoshape/Octoshape.app)
      uTorrent UNKNOWN (missing value)
      Dropbox Aplicativo (/Applications/Dropbox.app)
      Inkscape UNKNOWN (missing value)
      RealPlayer Downloader Agent Aplicativo (/Users/[redacted]/Library/Application Support/RealNetworks/RealPlayer Downloader Agent.app)
      HP Product Research Aplicativo (/Library/Application Support/Hewlett-Packard/Customer Participation/HP Product Research.app)
    Internet Plug-ins: ℹ️
      OVSHelper: Version: 1.1 [Support]
      Google Earth Web Plug-in: Version: 7.1 [Support]
      Flip4Mac WMV Plugin: Version: 2.4.4.2 [Support]
      RealPlayer Plugin: Version: Unknown [Support]
      AdobePDFViewerNPAPI: Version: 10.1.12 [Support]
      FlashPlayer-10.6: Version: 15.0.0.239 - SDK 10.6 [Support]
      DivX Web Player: Version: 3.1.1.9 - SDK 10.6 [Support]
      Silverlight: Version: 5.1.30514.0 - SDK 10.6 [Support]
      Flash Player: Version: 15.0.0.239 - SDK 10.6 [Support]
      QuickTime Plugin: Version: 7.6.6
      iPhotoPhotocast: Version: 7.0 - SDK 10.7
      SharePointBrowserPlugin: Version: 14.1.2 [Support]
      AdobePDFViewer: Version: 10.1.12 [Support]
      JavaAppletPlugin: Version: 13.9.8 - SDK 10.6 Check version
    User internet Plug-ins: ℹ️
      npsf_uni: Version: sf 3.3.2.1 [Support]
      OctoshapeWeb: Version: 1.0 - SDK 10.8 [Support]
    Safari Extensions: ℹ️
      Searchme Adware! [Remove]
      Skype Click to Call
      iSkyDeluxe
      TED HTML5 video playe
    Audio Plug-ins: ℹ️
      iSightAudio: Version: 7.6.6
    3rd Party Preference Panes: ℹ️
      Flash Player  [Support]
      Flip4Mac WMV  [Support]
      Skype Click to Call  [Support]
      Tuxera NTFS  [Support]
    Time Machine: ℹ️
      Time Machine information requires OS X 10.7 "Lion" or later.
    Top Processes by CPU: ℹ️
          5% WindowServer
          4% DivXMediaServer
          1% fontd
          0% RealPlayer Downloader Agent
          0% WebProcess
    Top Processes by Memory: ℹ️
      296 MB WebProcess
      202 MB FaceboxPro
      185 MB Microsoft PowerPoint
      163 MB Safari
      137 MB Microsoft Word
    Virtual Memory Information: ℹ️
      843 MB Free RAM
      1.76 GB Active RAM
      706 MB Inactive RAM
      978 MB Wired RAM
      577 MB Page-ins
      0 B Page-outs
    Diagnostics Information: ℹ️
      Dec 6, 2014, 12:58:24 PM Self test - passed
      Dec 6, 2014, 12:23:11 PM Kernel_2014-12-06-122311_MacBook-Pro-de-...panic [Details]
      Dec 6, 2014, 07:08:28 AM PluginProcess_2014-12-06-070828_MacBook-...crash
      Dec 5, 2014, 05:24:39 PM WebProcess_2014-12-05-172439_MacBook-Pro...crash
      Dec 5, 2014, 10:45:59 AM Kernel_2014-12-05-104559_MacBook-Pro-de-...panic [Details]
      Dec 5, 2014, 10:18:14 AM Kernel_2014-12-05-101814_MacBook-Pro-de-...panic [Details]
      Dec 3, 2014, 08:28:35 PM locationd_2014-12-03-202835_localhost.crash
      Dec 5, 2014, 10:25:44 AM Kernel_2014-12-05-102544_MacBook-Pro-de-...panic [Details]

    Startup - Gray, Blue or White screen at boot, w/spinner/progress bar
    Startup Issues - Resolve
    Startup Issues - Resolve (2)

  • Gray screen, apple logo and spinning gear hang at start up

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  • I keep getting an error message that my computer needs to be shut down.  It is like a dark screen comes down and I have to hold the on button until it shuts down.  Why is this happening?

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    error message that my computer needs to be shut down. It is like a dark screen comes down
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    Help here >  Tutorial: Avoiding and eliminating Kernel panics | MacFixIt - CNETReviews

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