Mac mini "Overtemp" signal and sleep received regularly.

mac mini "Overtemp" signal received regularly.
been researching the regular "Overtemp signal" received by my mini (Mac Mini PPC G4/PowerMac 10,1, 1.42GHz, 1G RAM, Tiger 10.4.11) followed by forced sleep since around the time i updated adobe flash a month ago. it goes to sleep whenever i run streaming video or multiple resource-heavy apps. the fan motor seems to top out, wind down and the mini's power light pulsates slowly/softly. if upon waking the mini a video or heavy process is still running, the cpu often sleeps before i can quit any such process.
i tried reverting to an older version of flash to no avail. i have reset both the PMU and PRAM. i've run Disk Utility from the system disk. iStat Pro reports an average of 130°F/55°C. around a year ago i opened, cleaned and upgraded the RAM in my mini in a clean room. can't imagine it could be worse in there than then when the computer functioned fine.
i found out about Narcoleptic Aluminum Powerbook Syndrome, and found a user that had most carefully removed his PB's temperature sensor. is it possible that i have a faulty sensor? bad fan (even though it sounds like it runs clean)? anything else i could potentially fix using iFixit's manuals?
here are my log files:
http://pastebin.com/raw.php?i=cAixtfAt
http://pastebin.com/raw.php?i=ZKUC3qWv

Is it possible that the air vents have become blocked? One mini owner had a cat that liked to sleep next to the mini, which caused the air vents to get clogged with cat hair.
Do you have any print jobs that haven't completed? OS X can try to reprint, causing CPU to spike. Doesn't sound like the issue here, but worth a check.
Definitely sounds like a flash-related problem. Have you tried ClickToFlash? It can be downloaded here: http://clicktoflash.com/ . I use this on our G4-based systems, including a mini. This may help.

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Mac Mini kernel panic during sleep

Hi,
I have a late 2012 MAC MINI that i bought around 3 months ago. Usually my Mac mini is left to sleep/hibernate during the night instead of being shut down. Today morning when i woke up the mini, i saw that a kernel panic had occured.
Below is my Kernel Panic Log
Interval Since Last Panic Report: 803426 sec
Panics Since Last Report:          1
Anonymous UUID:                    C573D2A9-6698-5E34-58F2-FBE77D7AF3EB
Fri Apr 12 09:26:41 2013
panic(cpu 3 caller 0xffffff800b8156b0): "Spinlock acquisition timed out: lock=0xffffff8020d88378, lock owner thread=0xffffff801f1aaaa0, current_thread: 0xffffff801f1aaaa0, lock owner active on CPU 0x3, current owner: 0xffffff801f1aaaa0"@/SourceCache/xnu/xnu-2050.22.13/osfmk/i386/locks_i386.c:363
Backtrace (CPU 3), Frame : Return Address
0xffffff8148fbbd50 : 0xffffff800b81d626
0xffffff8148fbbdc0 : 0xffffff800b8156b0
0xffffff8148fbbde0 : 0xffffff800b820b80
0xffffff8148fbbe10 : 0xffffff800b810448
0xffffff8148fbbe60 : 0xffffff800b820df2
0xffffff8148fbbe90 : 0xffffff800b84f0c1
0xffffff8148fbbed0 : 0xffffff800b816d00
0xffffff8148fbbf20 : 0xffffff800b819f64
0xffffff8148fbbf50 : 0xffffff800b818c97
0xffffff8148fbbf70 : 0xffffff800b8a5dd6
0xffffff8148fbbfb0 : 0xffffff800b8cdd43
BSD process name corresponding to current thread: UserEventAgent
Mac OS version:
12D78
Kernel version:
Darwin Kernel Version 12.3.0: Sun Jan 6 22:37:10 PST 2013; root:xnu-2050.22.13~1/RELEASE_X86_64
Kernel UUID: 3EB7D8A7-C2D3-32EC-80F4-AB37D61492C6
Kernel slide:     0x000000000b600000
Kernel text base: 0xffffff800b800000
System model name: Macmini6,1 (Mac-031AEE4D24BFF0B1)
System uptime in nanoseconds: 184843014471120
last loaded kext at 45234079811300: com.apple.driver.AppleUSBMergeNub    5.5.5 (addr 0xffffff7f8c1c4000, size 28672)
loaded kexts:
com.tuxera.filesystems.tufsfs.fusefs_txantfs    2012.10.5
com.vmware.kext.vmioplug.10.1.24    10.1.24
com.vmware.kext.vmx86    0104.03.86
com.vmware.kext.vmnet    0104.03.86
com.vmware.kext.vsockets    90.4.23
com.vmware.kext.vmci    90.4.18
com.Cycling74.driver.Soundflower    1.6.6
com.rogueamoeba.InstantOnCore    6.0.2
com.rogueamoeba.InstantOn    6.0.2
com.apple.iokit.SCSITaskUserClient    3.5.5
com.apple.driver.AppleUSBCDC    4.1.23
com.apple.filesystems.smbfs    1.8
com.apple.driver.AppleBluetoothMultitouch    75.19
com.apple.iokit.IOBluetoothSerialManager    4.1.3f3
com.apple.filesystems.autofs    3.0
com.apple.driver.X86PlatformShim    1.0.0
com.apple.driver.AGPM    100.12.87
com.apple.driver.ApplePlatformEnabler    2.0.6d1
com.apple.driver.AppleMikeyHIDDriver    122
com.apple.driver.AppleHDAHardwareConfigDriver    2.3.7fc4
com.apple.driver.AppleHDA    2.3.7fc4
com.apple.driver.AppleMikeyDriver    2.3.7fc4
com.apple.driver.AppleMuxControl    3.3.0
com.apple.driver.AppleUpstreamUserClient    3.5.10
com.apple.driver.AppleMCCSControl    1.1.11
com.apple.driver.AppleSMCPDRC    1.0.0
com.apple.iokit.IOBluetoothUSBDFU    4.1.3f3
com.apple.iokit.BroadcomBluetoothHCIControllerUSBTransport    4.1.3f3
com.apple.driver.ACPI_SMC_PlatformPlugin    1.0.0
com.apple.driver.AudioAUUC    1.60
com.apple.iokit.IOUserEthernet    1.0.0d1
com.apple.Dont_Steal_Mac_OS_X    7.0.0
com.apple.driver.ApplePolicyControl    3.3.0
com.apple.driver.AppleLPC    1.6.0
com.apple.driver.AppleIntelHD4000Graphics    8.1.0
com.apple.driver.AppleIntelFramebufferCapri    8.1.0
com.apple.driver.AppleIRController    320.15
com.apple.driver.AppleFileSystemDriver    3.0.1
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless    1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib    1.0.0d1
com.apple.BootCache    34
com.apple.driver.XsanFilter    404
com.apple.iokit.IOAHCIBlockStorage    2.3.1
com.apple.driver.AirPort.Brcm4331    614.20.16
com.apple.driver.AppleSDXC    1.4.0
com.apple.iokit.AppleBCM5701Ethernet    3.6.0b1
com.apple.driver.AppleFWOHCI    4.9.6
com.apple.driver.AppleUSBHub    5.5.5
com.apple.driver.AppleAHCIPort    2.5.1
com.apple.driver.AppleUSBXHCI    5.5.5
com.apple.driver.AppleUSBEHCI    5.5.0
com.apple.driver.AppleEFINVRAM    1.7
com.apple.driver.AppleRTC    1.5
com.apple.driver.AppleACPIButtons    1.7
com.apple.driver.AppleHPET    1.8
com.apple.driver.AppleSMBIOS    1.9
com.apple.driver.AppleACPIEC    1.7
com.apple.driver.AppleAPIC    1.6
com.apple.driver.AppleIntelCPUPowerManagementClient    196.0.0
com.apple.nke.applicationfirewall    4.0.39
com.apple.security.quarantine    2
com.apple.driver.AppleIntelCPUPowerManagement    196.0.0
com.apple.driver.AppleUSBMergeNub    5.5.5
com.apple.iokit.IOSCSIBlockCommandsDevice    3.5.5
com.apple.iokit.IOUSBMassStorageClass    3.5.1
com.apple.driver.AppleBluetoothHIDKeyboard    170.2
com.apple.driver.AppleHIDKeyboard    170.2
com.apple.driver.IOBluetoothHIDDriver    4.1.3f3
com.apple.driver.AppleMultitouchDriver    235.29
com.apple.iokit.IOSerialFamily    10.0.6
com.apple.kext.triggers    1.0
com.apple.iokit.IOSCSIArchitectureModelFamily    3.5.5
com.apple.driver.DspFuncLib    2.3.7fc4
com.apple.driver.AppleBacklightExpert    1.0.4
com.apple.driver.AppleSMBusPCI    1.0.11d0
com.apple.driver.AppleSMBusController    1.0.11d0
com.apple.driver.AppleThunderboltEDMSink    1.1.8
com.apple.driver.AppleThunderboltEDMSource    1.1.8
com.apple.driver.AppleThunderboltDPOutAdapter    1.8.9
com.apple.iokit.IOFireWireIP    2.2.5
com.apple.iokit.AppleBluetoothHCIControllerUSBTransport    4.1.3f3
com.apple.driver.IOPlatformPluginLegacy    1.0.0
com.apple.driver.X86PlatformPlugin    1.0.0
com.apple.iokit.IOSurface    86.0.4
com.apple.iokit.IOBluetoothFamily    4.1.3f3
com.apple.iokit.IOAudioFamily    1.8.9fc11
com.apple.kext.OSvKernDSPLib    1.6
com.apple.driver.AppleSMC    3.1.4d2
com.apple.driver.AppleGraphicsControl    3.3.0
com.apple.driver.IOPlatformPluginFamily    5.3.0d51
com.apple.driver.AppleHDAController    2.3.7fc4
com.apple.iokit.IOHDAFamily    2.3.7fc4
com.apple.iokit.IOAcceleratorFamily    30.14
com.apple.iokit.IONDRVSupport    2.3.7
com.apple.iokit.IOGraphicsFamily    2.3.7
com.apple.driver.AppleThunderboltDPInAdapter    1.8.9
com.apple.driver.AppleThunderboltDPAdapterFamily    1.8.9
com.apple.driver.AppleThunderboltPCIDownAdapter    1.2.6
com.apple.iokit.IOUSBHIDDriver    5.2.5
com.apple.driver.AppleUSBComposite    5.2.5
com.apple.driver.AppleThunderboltNHI    1.6.3
com.apple.iokit.IOThunderboltFamily    2.2.6
com.apple.iokit.IO80211Family    522.4
com.apple.iokit.IOEthernetAVBController    1.0.2b1
com.apple.iokit.IONetworkingFamily    3.0
com.apple.iokit.IOFireWireFamily    4.5.5
com.apple.iokit.IOAHCIFamily    2.3.1
com.apple.iokit.IOUSBUserClient    5.5.5
com.apple.iokit.IOUSBFamily    5.5.5
com.apple.driver.AppleEFIRuntime    1.7
com.apple.iokit.IOHIDFamily    1.8.1
com.apple.iokit.IOSMBusFamily    1.1
com.apple.security.sandbox    220.2
com.apple.kext.AppleMatch    1.0.0d1
com.apple.security.TMSafetyNet    7
com.apple.driver.DiskImages    345
com.apple.iokit.IOStorageFamily    1.8
com.apple.driver.AppleKeyStore    28.21
com.apple.driver.AppleACPIPlatform    1.7
com.apple.iokit.IOPCIFamily    2.7.3
com.apple.iokit.IOACPIFamily    1.4
com.apple.kec.corecrypto    1.0
System Profile:
Model: Macmini6,1, BootROM MM61.0106.B03, 2 processors, Intel Core i5, 2.5 GHz, 8 GB, SMC 2.7f0
Graphics: Intel HD Graphics 4000, Intel HD Graphics 4000, Built-In, 768 MB
Memory Module: BANK 0/DIMM0, 4 GB, DDR3, 1600 MHz, 0x857F, 0x483634353155363446313630304700000000
Memory Module: BANK 1/DIMM0, 4 GB, DDR3, 1600 MHz, 0x857F, 0x483634353155363446313630304700000000
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x10E), Broadcom BCM43xx 1.0 (5.106.98.100.16)
Bluetooth: Version 4.1.3f3 11349, 2 service, 18 devices, 1 incoming serial ports
Network Service: Ethernet, Ethernet, en0
Serial ATA Device: APPLE HDD HTS545050A7E362, 500.11 GB
Serial ATA Device: M4-CT128M4SSD1, 128.04 GB
USB Device: Generic USB Hub, 0x058f (Alcor Micro, Corp.), 0x9254, 0x14300000 / 1
USB Device: composite_device, 0x09a6 (Poinchips), 0x8001, 0x14310000 / 2
USB Device: hub_device, 0x8087 (Intel Corporation), 0x0024, 0x1d100000 / 2
USB Device: hub_device, 0x0424 (SMSC), 0x2512, 0x1d180000 / 3
USB Device: IR Receiver, apple_vendor_id, 0x8242, 0x1d182000 / 5
USB Device: BRCM20702 Hub, 0x0a5c (Broadcom Corp.), 0x4500, 0x1d181000 / 4
USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x828a, 0x1d181300 / 8
USB Device: hub_device, 0x8087 (Intel Corporation), 0x0024, 0x1a100000 / 2
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that should read all connected through I Cloud (fat fingers)

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Macmini5,1 (2.3 GHz) Macmini5,2 (2.5 or 2.7 GHz)
Model Number
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EMC
2442
Order Number
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MacBook Air (Late 2008 or later)
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