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How To Fix Windows Vista Stop 0x9F and 0xB8 Error

Before attaching an IEEE 1394 device to a Windows Vista-based computer, confirm the Vista Update KB936150 has been installed successfully.

According to Microsoft Knowledge Base article KB929762, a Windows Vista-based computer will likely stop responding if you wake it up from Sleep mode while an IEEE 1394 device is physically connected. The IEEE 1394 device could be a Maxtor One Touch II 300GB model external hard disk, Apple iPod, etc.

To address this Vista-IEEE 1394 issue, Microsoft released Vista Update KB929762 on Jan 2007 for those who encounter error message that resemble

*** STOP 0x0000009F (parameter1, parameter2, parameter3, parameter4)

However, the Vista Update KB929762 was failed again when a delayed procedure call (DPC) routine tries to perform an unauthorized operation (as in KB936150). The Vista-based computer with KB929762 installed will stop responding too when waken up from Sleep mode, with another error message that resemble

*** STOP: 0x000000B8 (parameter1, parameter2, parameter3, parameter4)

Six months after the release of KB929762, Microsoft advice all Vista-IEEE 1394 owners who encounter the Stop 0xB8 error message to install Vista Update KB936150 that contains latest Sbp2port.sys version 6.0.6000.20614!


To ensure Windows Vista always running in good shape, remember to turn on Windows Update and Windows Error Reporting service. Otherwise, you’ll have to ask Google a solution for the error code and manually download the Vista Update.

For non-IE7 users (who prefer Firefox, Opera, Safari, etc), I hereby enclose the direct download links of Vista Update KB929762 and Vista Update KB936150.

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  1. Dimitri 20-06-08@19:45

    I wish those updated would actually work…
    I have a Maxtor One Touch 750GB drive and the darn thing causes crashes like you wouldn’t believe. All latest updated installed of course.

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