random BSOD

Hello 4hya,

It seems most crashes related to SR9USB.sys (SR9600 USB to Fast Ethernet Adapter) so I would suggest to update its driver.
If you cannot find the update, then try to unplug that device for a while to see if the BSOD would stop.

Code:

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*                        Bugcheck Analysis                                    *
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Use !analyze -v to get detailed debugging information.

BugCheck 50, {c022e000, 0, 8287cc4f, 9}

Unable to load image \SystemRoot\system32\DRIVERS\SR9USB.sys, Win32 error 0n2
*** WARNING: Unable to verify timestamp for SR9USB.sys
*** ERROR: Module load completed but symbols could not be loaded for SR9USB.sys
Probably caused by : SR9USB.sys ( SR9USB+d78 )

Followup: MachineOwner
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4hya said:

its an old usb to lan adapter actually and its drier is for winxp. i've tried removing the device. and bsod happen now happen seldomly. how do you di the analysis? can you teach me? for I myself can debug these errors

Uninstall/remove the old LAN adapter driver after unplug the device, then see how things go.

If you want try to debug:
Configuring the "Debugging Tools"