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Windows 7: Random crashes, bugcheck 0x0000009F

14 Sep 2011   #1

Windows 7 Ultimate x64
Random crashes, bugcheck 0x0000009F


I've suddenly started seeing crashes in the last couple days, 6 weeks after a fresh install of Win7 x64. One happened while I was trying to login, the other two in the middle of the night. Full system specs are included below.

Re the Perfmon report, I'm running MSE, with real-time protection, which says that my computer is protected. I've no idea why perfmon can't see it.

I've attached the jcgriff output and perfmon report and would appreciate any guidance.


My System SpecsSystem Spec
15 Sep 2011   #2

Windows 7 Ultimate x64

This has happened a couple more times, if additional dumps would help determine the cause...

My System SpecsSystem Spec
17 Sep 2011   #3

Windows 7 Ultimate x64

I've seen some great assistance given on these boards. I carefully followed all the instructions for creating a BSOD thread, and sure would appreciate some help. Having my machine randomly crash 2-3 times a day is driving me crazy... Please let me know if I can provide more info.

My System SpecsSystem Spec
21 Sep 2011   #4

Windows 7 Ultimate 64bit SP1

Hi overflow

These crashes were all caused by usbhub.sys.

I would
download a fresh copy and install it.

Then run the system-file-checker

Finish and post back with any results.
My System SpecsSystem Spec

 Random crashes, bugcheck 0x0000009F

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