Auto shuts down/restarts

Morning -
Hopefully I get this posted before it does it again -
With out a clue where to look - where would a report of it's last few hours of operation be sitting.
I seem to have forgot.
Everything seem to run well - open Safari - able to post to forums -
walk away to get coffee - and it's restarting -
I've never seen this action before - it hasn't been used the last month -
I let it do the last security update last night - I'm still on 10.6.8

Thanks - Salty,
I just got to console to take a look - and it crashed/restarted again - so I didn't have to dig for a report -
Here's that report that Apple pops up to send them -
From - You Shut down the computer because of a problem - Report
Interval Since Last Panic Report: 32060492 sec
Panics Since Last Report:          2
Anonymous UUID:                    B6DD961D-5E64-4FC0-A166-AC09E9752B46
Sun Jun 16 16:04:50 2013
Machine-check capabilities (cpu 0) 0x0000000000000806:
family: 6 model: 23 stepping: 6 microcode: 1547
Intel(R) Xeon(R) CPU           E5462 @ 2.80GHz
6 error-reporting banks
threshold-based error status present
Machine-check status 0x0000000000000005:
restart IP valid
machine-check in progress
MCA error-reporting registers:
IA32_MC0_STATUS(0x401): 0x1000000020000000 invalid
IA32_MC1_STATUS(0x405): 0x0000000000000000 invalid
IA32_MC2_STATUS(0x409): 0x0000000000000000 invalid
IA32_MC3_STATUS(0x40d): 0x0020000000000000 invalid
IA32_MC4_STATUS(0x411): 0x0000000000000011 invalid
IA32_MC5_STATUS(0x415): 0xb200001084200e0f valid
MCA error code:            0x0e0f
Model specific error code: 0x8420
Other information:         0x00000010
Threshold-based status:    No tracking
Status bits:
   Processor context corrupt
   Error enabled
   Uncorrected error
panic(cpu 0 caller 0x2aaf41): Machine Check at 0x013e332a, thread:0xf18b3d4, trapno:0x12, err:0x0,registers:
CR0: 0x80010033, CR2: 0x7c9b1000, CR3: 0x00100000, CR4: 0x00000660
EAX: 0x00000000, EBX: 0x0081e0a8, ECX: 0x00000000, EDX: 0x00480000
ESP: 0x86623b68, EBP: 0x86623b68, ESI: 0x00000000, EDI: 0x0081e0a8
EFL: 0x00000006, EIP: 0x013e332a
Backtrace (CPU 0), Frame : Return Address (4 potential args on stack)
0x819e18 : 0x21b837 (0x5dd7fc 0x819e4c 0x223ce1 0x0)
0x819e68 : 0x2aaf41 (0x59dfe4 0x59e0d1 0x13e332a 0xf18b3d4)
0x819f58 : 0x2a29f2 (0x1 0x0 0x0 0x0)
0x86623b68 : 0x13dbfa5 (0x81e0a8 0x1 0xd7da800 0x0)
0x86623c48 : 0x13dd850 (0xffffffff 0x7fffffff 0x0 0x0)
0x86623d48 : 0x2ad0c5 (0xffffffff 0x7fffffff 0x10 0x286)
0x86623d68 : 0x225bba (0x0 0x34b4b40d 0x1182 0x84bf28)
0x86623dc8 : 0x22698c (0x1 0xf18b3d4 0xd64cc58 0x2a45c9)
0x86623e38 : 0x2275b0 (0xf18b3f0 0x0 0x86623e68 0xffffffff)
0x86623ea8 : 0x227654 (0x210d84 0x0 0x0 0xf18b3d4)
0x86623ec8 : 0x211dc4 (0x210d84 0x7000006 0x800 0x0)
0x86623ef8 : 0x2170bc (0xda9c668 0x7000006 0x800 0x0)
0x86623f78 : 0x295c57 (0xea09448 0x0 0x0 0x0)
0x86623fc8 : 0x2a256d (0xea09444 0x0 0x10 0xea0a404)
      Kernel Extensions in backtrace (with dependencies):
         com.apple.driver.AppleIntelCPUPowerManagement(142.6.0)@0x13da000->0x13fdfff
BSD process name corresponding to current thread: WindowServer
Mac OS version:
10K549
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: MacPro3,1 (Mac-F42C88C8)
System uptime in nanoseconds: 19250986538181
unloaded kexts:
com.apple.driver.AirPortBrcm43xx          423.91.27 (addr 0xf09000, size 0x1900544) - last unloaded 122417877126
loaded kexts:
com.sophos.kext.sav          8.0.14
com.br
Model: MacPro3,1, BootROM MP31.006C.B05, 8 processors, Quad-Core Intel Xeon, 2.8 GHz, 8 GB, SMC 1.25f4
Graphics: NVIDIA GeForce 8800 GT, NVIDIA GeForce 8800 GT, PCIe, 512 MB
Memory Module: global_name
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x88), Broadcom BCM43xx 1.0 (5.10.131.42.4)
Bluetooth: Version 2.4.5f3, 2 service, 19 devices, 1 incoming serial ports
Network Service: AirPort, AirPort, en2
PCI Card: NVIDIA GeForce 8800 GT, sppci_displaycontroller, Slot-1
Serial ATA Device: Hitachi HDS721010KLA330, 931.51 GB
Serial ATA Device: ST31000340AS, 931.51 GB
Serial ATA Device: Hitachi HUA721010KLA330, 931.51 GB
Serial ATA Device: Hitachi HUA721010KLA330, 931.51 GB
Parallel ATA Device: TSSTcorp CDDVDW SH-S222L
Parallel ATA Device: TSSTcorp CDDVDW SH-S222L
USB Device: Hub, 0x05ac (Apple Inc.), 0x911d, 0xfd500000 / 3
USB Device: Bose USB Audio, 0x05a7 (Bose Corporation), 0x1020, 0xfd520000 / 6
USB Device: SCX-4500 Series, 0x04e8 (Samsung Electronics Co., Ltd.), 0x3426, 0xfd510000 / 5
USB Device: Apple Cinema Display, 0x05ac (Apple Inc.), 0x921d, 0xfd530000 / 4
USB Device: MobileMate Reader, 0x0781 (SanDisk Corporation), 0xb2b5, 0xfd100000 / 2
USB Device: Bluetooth USB Host Controller, 0x05ac (Apple Inc.), 0x8206, 0x5d200000 / 2
FireWire Device: built-in_hub, Up to 800 Mb/sec
FireWire Device: unknown_device, Unknown

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Registered: ‎07-16-2013
Re: Error Code B200
Options
‎07-16-2013 01:43 PM
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Message was edited by: Carolyn Samit

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I HAVE THE LATEST VERSION OF READER FOR SOME REASON IT FREEZES UP WHEN SRCOLLING OR PRINTING THEN I HAVE TO SHUT DOWN & RESTART PLEASE ADVISE

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In a message dated 3/27/2015 3:46:30 A.M. Eastern Daylight Time,
[email protected] writes:
HELPI HAVE THE LATEST VERSION OF READER FOR SOME REASON IT FREEZES UP WHEN
SRCOLLING OR PRINTING THEN I HAVE TO SHUT DOWN & RESTART PLEASE ADVISE
created by pwillener (https://forums.adobe.com/people/pwillener) in
Adobe Reader - View the full discussion
(https://forums.adobe.com/message/7359996#7359996)

Auto shuts down/restarts

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