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Microsoft has halted the rollout of Windows OS security updates for the Meltdown and Spectre patches for all customer devices that use an AMD CPU.

The OS maker announced the decision earlier today after numerous AMD users reported Blue Screen of Death (BSOD) and other types of errors that in some cases prevented computers from booting.

"After investigating, Microsoft has determined that some AMD chipsets do not conform to the documentation previously provided to Microsoft to develop the Windows operating system mitigations to protect against the chipset vulnerabilities known as Spectre and Meltdown," Microsoft said in a support page.

The company has decided to stop the rollout of the following Meltdown/Spectre-related security updates:

January 3, 2018—KB4056897 (Security-only update)
January 9, 2018—KB4056894 (Monthly Rollup)
January 3, 2018—KB4056888 (OS Build 10586.1356)
January 3, 2018—KB4056892 (OS Build 16299.192)
January 3, 2018—KB4056891 (OS Build 15063.850)
January 3, 2018—KB4056890 (OS Build 14393.2007)
January 3, 2018—KB4056898 (Security-only update)
January 3, 2018—KB4056893 (OS Build 10240.17735)
January 9, 2018—KB4056895 (Monthly Rollup)

Both Windows desktop and server OS types are affected by Microsoft decision to pull security updates for AMD devices.

The issues with the Meltdown and Spectre patches on AMD devices are just the latest problem that Microsoft has to deal with.

All users, regardless of CPU type, may experience a BSOD after installing the Meltdown and Spectre patches if they use an unsupported third-party antivirus program. Yesterday, Microsoft announced it would not deploy Windows security updates at all to devices running incompatible antivirus software.

The January 2018 Patch Tuesday security updates are scheduled for release later today.

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