Crashes on MacBook pro, hardware problem?

I write here because I think this might be related to a hardware problem.
I was experiencing problems with my MBP. The main one was that sometimes, an application crashed, and when I tried to switch to another one, it crashed as well, and after all everything crashed, one by one. I tried upgrading to snow leopard, no luck. Fresh install of Snow leopard and migration assistant: no luck. Fresh instal of snow leopard and migration assistant WITHOUT APPS, only my user account, and after I installed just adium, dropbox, and my firewire soundtrack driver, it happened again the same thing (have to say that everything else was smoother in performance) I don't think it has to do with soundcard, because problem was there before I got it. I suspect that is a problem with access to hard drive (apps cannot access it) or maybe with bluetooth (it happenned sometimes that when pairing a bluetooth device, system crashed).
Any advice?

It's a RAM matter, but I don't know if it's the RAM module or the socket where it's placed. If have 2 modules of 1 GHz. When I try them keeping just one of them, module 1 works fine in both sockets, but in the lower one it eventually crashed, with a video scramble and only the mouse working fine. Module 2 doesn't work at all in the lower socket. First I got a kernel panic, just when booting. Second time and afterwards I couldn't even boot: black screen and the sleep light blinking three times, so it's not a temperature issue (no time enough to heat).
Module 2 it's working (for the moment) fine on the upper socket, and it's what I'm trying now. Do you have any clue to find out if it a socket/motherboard issue or just the RAM module is deffective?

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    I am at my wits end! My MacBook Pro (MacBookPro2,2 2006) is constantly crashing and/or freezing. Everything was perfectly fine until I installed the 10.7.2 update. Then things started to get progressively worse. Now I can't go 15 minutes without the system freezing up or crashing. It crashes 20 times a day or more and is completely unusable at this point. I really need to get work done and don't know what else to do.
    It doesn't seem to matter what applications are open. I thought at first maybe it was Safari or Mail but I've had it hang or crash with just the Finder open. Sometimes it just freezes up yet, if iTunes is playing music, the music will continue to play in the background but you can't interact with anything. Sometimes the mouse pointer will still move and sometimes it won't. Sometimes I'll get the spinning beachball of death. Other times it will just instantly restart on its own. A couple times the screen just rolled to grey then died. I never get a crash report that I can post or send to Apple.
    I am very technically proficient and have done absolutely everything I can think of at this point including:
    * Resetting PRAM.
    * Repairing disk permissions and running a disk check
    * Ran TechToolPro and everything came back OK.
    * Updated all software and removed any weird kernal extensions.
    * Unhooked any attached peripherals.
    * Tried different networks or switching to wired ethernet.
    * Logged in with Shift key down so no extra software loaded.
    The ONLY thing that seems to work is starting up in Safe Mode by holding down the Shift key at boot. Which is what led me to think that maybe some rogue kernal extensions were to blame but I removed all but the blessed Apple extensions. Safe Mode loads only the most basic system software so is not very usable. The fact that it runs OK here makes me believe it must be a bug in Apples 10.7.2 update but who knoes what part since so much of the OS is not loaded in Safe Mode.
    I've also tried running Apple Hardware Tests (AHT) but can't get it to run for the life of me. I followed another postwhere we copy the .diagnostics folder into /System/Library/CoreServices from the original software discs that came with the computer but holding down the "D" key on startup still doesn't invoke the tests. Won't run off the CD either. I get some weird circle with a slash through it. Going to take it in to the Genius Bar tomorrow and have them run the hardware tests. I'll report back after but I don't feel too sure they're going to have a good answer.
    A side issue now is that, after all this, my MacBook Pro takes over half an hour to boot each time. It appears to be doing a Safe Boot no matter what even though I don't hold down the Shift key at startup. I always get the progress bar under the Apple logo and I think it is doing a fschk each time. But when it finally comes up it's not actually in Safe Boot mode. It never used to do this and I can't get it to stop. With all the crashes and now this incredibly long startup each time I'm about to throw this thing out the window.
    I've read hundreds of other posts across the Internet with like experiences but no good answers. A lot of people seem to think it is an Nvidia graphics card related issue or a discrete graphics issue but my older machine doesn't have swithable graphics and it's card is ATI. But I do sometimes get strange graphic artifacts on the screen before it crashes and some Apps have lines through their interfaces so I'm wondering if the latest system update screwed up graphics drivers?
    I'm posting here in the hopes that someone, anyone, can help me!!! I think Lion 10.7.2 has serious bugs and is one of the worst updates Apple has ever released.
    Is anyone else having similar problems and does anyone out there have a solution?!!

    FINALLY got Lion to produce a crash report during one of these disasters. Like my gut was telling me this seems graphics driver related. Here it is:
    Interval Since Last Panic Report:  -3210485 sec
    Panics Since Last Report:          1
    Anonymous UUID:                    A83A615F-B88F-4999-9770-1B8A3CCCF56A
    Sat Jan 21 02:46:16 2012
    panic(cpu 1 caller 0x2cdabf): Kernel trap at 0x0183a649, type 0=divide error, registers:
    CR0: 0x8001003b, CR2: 0x43463000, CR3: 0x00100000, CR4: 0x00000660
    EAX: 0x00000002, EBX: 0x07120000, ECX: 0x00000000, EDX: 0x00000000
    CR2: 0x43463000, EBP: 0x4939bd78, ESI: 0x0712f800, EDI: 0x00000002
    EFL: 0x00010246, EIP: 0x0183a649, CS:  0x00000008, DS:  0x00000010
    Error code: 0x00000000
    Backtrace (CPU 1), Frame : Return Address (4 potential args on stack)
    0x4939bba8 : 0x22032e (0x6ad86c 0x4939bbc8 0x229f00 0x0)
    0x4939bbd8 : 0x2cdabf (0x6b9c3c 0x183a649 0x0 0x6b9b29)
    0x4939bc88 : 0x2e3e34 (0x4939bcb0 0x4939bc98 0x4939bca8 0x0)
    0x4939bca8 : 0x183a649 (0xe 0x7110048 0x49390010 0x630010)
    0x4939bd78 : 0x183b660 (0x712f800 0xafc8 0xa53c 0x4939bdb0)
    0x4939bd98 : 0x1847dc0 (0x712f800 0x4939bdb0 0x4939bdb8 0x607df2)
    0x4939bdf8 : 0x1847e6c (0x7118800 0x4939be08 0x1a7 0x1c2)
    0x4939be38 : 0x181ba99 (0x7118800 0x0 0x0 0x710e000)
    0x4939be58 : 0x181dd7e (0x710e000 0x0 0x4939be88 0x23f675)
    0x4939be88 : 0xfa51d4 (0x710e000 0x20646773 0x0 0xfaedec)
    0x4939beb8 : 0xfa5228 (0x710e000 0x45 0x4939bee8 0xfaee61)
    0x4939bee8 : 0xfaaa08 (0x7fb1200 0x45 0x6607d8 0x867840)
    0x4939bf28 : 0x661b7a (0x7207580 0x70b8e00 0x1 0x2c457d)
    0x4939bf68 : 0x6609c8 (0x70b8e00 0x73743f8 0x0 0x66dfac0)
    0x4939bfa8 : 0x660844 (0x7207580 0x66dfac0 0x720759c 0x72493f8)
    0x4939bfc8 : 0x2c6d0c (0x7207580 0x0 0x10 0x7aa71d0)
          Kernel Extensions in backtrace:
             com.apple.iokit.IOGraphicsFamily(2.3.2)[26D3FB6E-BBEB-45EE-9088-3099D2D09F78]@0 xf97000->0xfc8fff
                dependency: com.apple.iokit.IOPCIFamily(2.6.7)[82A51E17-453D-40F5-BF0E-DD89598C76DB]@0xaed0 00
             com.apple.kext.ATI1600Controller(7.1.2)[2DF2D325-D669-444E-97FA-5166E109C518]@0 x182e000->0x185cfff
                dependency: com.apple.iokit.IOACPIFamily(1.4)[78EFF11D-3C74-40FD-9948-191DDC4E44C0]@0xabc00 0
                dependency: com.apple.iokit.IOPCIFamily(2.6.7)[82A51E17-453D-40F5-BF0E-DD89598C76DB]@0xaed0 00
                dependency: com.apple.iokit.IOGraphicsFamily(2.3.2)[26D3FB6E-BBEB-45EE-9088-3099D2D09F78]@0 xf97000
                dependency: com.apple.kext.ATISupport(7.1.2)[AA9B5C8F-D250-4112-B1E5-9D4F63935B92]@0x162900 0
             com.apple.kext.ATIFramebuffer(7.1.2)[3176A7CF-8C84-4300-BD27-46796A47987D]@0x18 17000->0x182dfff
                dependency: com.apple.iokit.IOACPIFamily(1.4)[78EFF11D-3C74-40FD-9948-191DDC4E44C0]@0xabc00 0
                dependency: com.apple.iokit.IOPCIFamily(2.6.7)[82A51E17-453D-40F5-BF0E-DD89598C76DB]@0xaed0 00
                dependency: com.apple.iokit.IOGraphicsFamily(2.3.2)[26D3FB6E-BBEB-45EE-9088-3099D2D09F78]@0 xf97000
                dependency: com.apple.kext.ATISupport(7.1.2)[AA9B5C8F-D250-4112-B1E5-9D4F63935B92]@0x162900 0
    BSD process name corresponding to current thread: kernel_task
    Mac OS version:
    11C74
    Kernel version:
    Darwin Kernel Version 11.2.0: Tue Aug  9 20:56:15 PDT 2011; root:xnu-1699.24.8~1/RELEASE_I386
    Kernel UUID: C2810CF8-D672-3301-8D3F-ED56974A80E1
    System model name: MacBookPro2,2 (Mac-F42187C8)
    System uptime in nanoseconds: 106928438687
    last loaded kext at 72538426224: com.apple.driver.AppleBluetoothMultitouch          66.3 (addr 0x1c42000, size 49152)
    loaded kexts:
    com.Cycling74.driver.Soundflower          1.5.2
    com.iospirit.driver.rbiokithelper          1.19.2
    com.AmbrosiaSW.AudioSupport          3
    com.Logitech.Control Center.HID Driver          3.5.1
    com.apple.driver.AppleBluetoothMultitouch          66.3
    com.apple.filesystems.autofs          3.0
    com.apple.driver.AppleUSBCDC          4.1.15
    com.apple.driver.AppleHWSensor          1.9.4d0
    com.apple.driver.AudioAUUC          1.59
    com.apple.driver.AppleTyMCEDriver          1.0.2d2
    com.apple.driver.AppleUpstreamUserClient          3.5.9
    com.apple.driver.AppleMCCSControl          1.0.26
    com.apple.driver.AppleHDA          2.1.3f7
    com.apple.kext.ATIFramebuffer          7.1.2
    com.apple.ATIRadeonX1000          7.0.0
    com.apple.driver.SMCMotionSensor          3.0.1d2
    com.apple.driver.AppleSMCLMU          2.0.1d2
    com.apple.iokit.IOUserEthernet          1.0.0d1
    com.apple.Dont_Steal_Mac_OS_X          7.0.0
    com.apple.driver.AudioIPCDriver          1.2.1
    com.apple.driver.AirPort.Atheros21          430.14.9
    com.apple.driver.AppleMuxControl          3.0.16
    com.apple.driver.AppleLPC          1.5.3
    com.apple.driver.AppleBacklight          170.1.9
    com.apple.driver.ACPI_SMC_PlatformPlugin          4.7.5d4
    com.apple.AppleFSCompression.AppleFSCompressionTypeDataless          1.0.0d1
    com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
    com.apple.BootCache          33
    com.apple.driver.CSRHIDTransitionDriver          4.0.1f4
    com.apple.driver.AppleIRController          312
    com.apple.driver.AppleUSBTrackpad          225.2
    com.apple.driver.AppleUSBTCKeyEventDriver          225.2
    com.apple.driver.AppleUSBTCKeyboard          225.2
    com.apple.driver.USBCameraFirmwareLoader          1.1.0
    com.apple.iokit.SCSITaskUserClient          3.0.1
    com.apple.iokit.IOAHCIBlockStorage          2.0.1
    com.apple.driver.AppleEFINVRAM          1.5.0
    com.apple.driver.AppleAHCIPort          2.2.0
    com.apple.driver.AppleUSBHub          4.5.0
    com.apple.iokit.AppleYukon2          3.2.2b1
    com.apple.driver.AppleRTC          1.4
    com.apple.driver.AppleIntelPIIXATA          2.5.1
    com.apple.driver.AppleUSBEHCI          4.5.0
    com.apple.driver.AppleUSBUHCI          4.4.5
    com.apple.driver.AppleFWOHCI          4.8.9
    com.apple.driver.AppleHPET          1.6
    com.apple.driver.AppleSmartBatteryManager          161.0.0
    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          167.0.0
    com.apple.nke.applicationfirewall          3.2.30
    com.apple.security.quarantine          1
    com.apple.driver.AppleIntelCPUPowerManagement          167.0.0
    com.apple.driver.AppleMultitouchDriver          220.62.1
    com.apple.driver.IOBluetoothHIDDriver          4.0.1f4
    com.apple.kext.triggers          1.0
    com.apple.driver.AppleAVBAudio          1.0.0d11
    com.apple.driver.AppleHDAHardwareConfigDriver          2.1.3f7
    com.apple.driver.DspFuncLib          2.1.3f7
    com.apple.kext.ATI1600Controller          7.1.2
    com.apple.kext.ATISupport          7.1.2
    com.apple.driver.AppleHDAController          2.1.3f7
    com.apple.iokit.IOHDAFamily          2.1.3f7
    com.apple.iokit.IOFireWireIP          2.2.4
    com.apple.iokit.IOSurface          80.0
    com.apple.iokit.IOBluetoothSerialManager          4.0.1f4
    com.apple.iokit.IOSerialFamily          10.0.5
    com.apple.iokit.IOAVBFamily          1.0.0d22
    com.apple.iokit.IOEthernetAVBController          1.0.0d5
    com.apple.iokit.IOAudioFamily          1.8.3fc11
    com.apple.kext.OSvKernDSPLib          1.3
    com.apple.driver.ApplePolicyControl          3.0.16
    com.apple.iokit.IO80211Family          411.1
    com.apple.driver.AppleGraphicsControl          3.0.16
    com.apple.driver.AppleSMBusPCI          1.0.10d0
    com.apple.driver.AppleBacklightExpert          1.0.3
    com.apple.iokit.IONDRVSupport          2.3.2
    com.apple.iokit.IOGraphicsFamily          2.3.2
    com.apple.driver.AppleSMC          3.1.1d8
    com.apple.driver.IOPlatformPluginFamily          4.7.5d4
    com.apple.driver.CSRUSBBluetoothHCIController          4.0.1f4
    com.apple.driver.AppleUSBBluetoothHCIController          4.0.1f4
    com.apple.iokit.IOBluetoothFamily          4.0.1f4
    com.apple.driver.AppleUSBMergeNub          4.5.3
    com.apple.driver.AppleFileSystemDriver          13
    com.apple.iokit.IOUSBHIDDriver          4.4.5
    com.apple.driver.AppleUSBComposite          3.9.0
    com.apple.iokit.IOSCSIMultimediaCommandsDevice          3.0.1
    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.IOATAPIProtocolTransport          3.0.0
    com.apple.iokit.IOSCSIArchitectureModelFamily          3.0.1
    com.apple.iokit.IOAHCIFamily          2.0.7
    com.apple.iokit.IOUSBUserClient          4.5.3
    com.apple.iokit.IONetworkingFamily          2.0
    com.apple.driver.AppleEFIRuntime          1.5.0
    com.apple.iokit.IOATAFamily          2.5.1
    com.apple.iokit.IOUSBFamily          4.5.3
    com.apple.iokit.IOFireWireFamily          4.4.5
    com.apple.iokit.IOHIDFamily          1.7.1
    com.apple.iokit.IOSMBusFamily          1.1
    com.apple.security.sandbox          165.3
    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          2.6.7
    com.apple.iokit.IOACPIFamily          1.4
    Model: MacBookPro2,2, BootROM MBP22.00A5.B07, 2 processors, Intel Core 2 Duo, 2.33 GHz, 3 GB, SMC 1.12f5
    Graphics: ATI Radeon X1600, ATY,RadeonX1600, PCIe, 256 MB
    Memory Module: BANK 0/DIMM0, 2 GB, DDR2 SDRAM, 667 MHz, 0x2C00000000000000, 0x3136485453323536363448592D3636374531
    Memory Module: BANK 1/DIMM1, 1 GB, DDR2 SDRAM, 667 MHz, 0xCE00000000000000, 0x4D342037305432393533435A332D43453620
    AirPort: spairport_wireless_card_type_airport_extreme, Atheros 5416: 2.1.14.9
    Bluetooth: Version 4.0.1f4, 2 service, 18 devices, 1 incoming serial ports
    Network Service: Ethernet, Ethernet, en0
    Serial ATA Device: WDC WD5000BEVT-22ZAT0, 500.11 GB
    Parallel ATA Device: HL-DT-ST DVDRW GWA4080MA
    USB Device: Built-in iSight, apple_vendor_id, 0x8501, 0xfd400000 / 2
    USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x8205, 0x7d100000 / 2
    USB Device: IR Receiver, apple_vendor_id, 0x8240, 0x5d200000 / 2
    USB Device: hub_device, 0x0451  (Texas Instruments), 0x2046, 0x3d100000 / 2
    USB Device: Apple Internal Keyboard / Trackpad, apple_vendor_id, 0x021a, 0x1d200000 / 2

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