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Microsoft halts some AMD chip Meltdown patches after PCs freeze

Reuters  |  FRANKFURT 

By Eric Auchard

FRANKFURT (Reuters) - Corp said on Tuesday it had suspended patches to guard against and Spectre security threats for computers running chipsets after complaints by customers that the froze their machines.

said in a support blog that it was working with to resolve the issues and would resume Windows to affected devices via its Windows Update process as soon as possible.

shares dipped 1.3 percent in pre-market U.

S. trading. Last week the stock rose nearly 20 percent as investors speculated could wrest market share from Intel, whose chips are exposed to risks from possible and Spectre attacks.

"To prevent customers from getting into an unbootable state, will temporarily pause sending the following Windows updates to devices with impacted processors at this time," said in its statement.

said it had received complaints from customers that their machines stopped loading the Start menu or taskbar after installing Windows security updates.

Upon investigation, said some chipsets did not conform to technical documentation the chipmaker had provided, preventing from successfully patching affected machines.

In its blog post, the said the patches had caused computer screens to freeze up, or have so-called "blue screen errors" on Windows 10, Windows 8.1 and

and Spectre are two memory corruption flaws which could allow and other to steal passwords or keys, on most types of computers, phones and cloud-based servers.

said last week that differences in its chip designs from rival meant its products were at "zero risk" from flaw but that one variant of the Spectre bug could be resolved by from vendors such as

was not immediately available for further comment.

(Reporting by Eric Auchard; Editing by and Edmund Blair)

(Only the headline and picture of this report may have been reworked by the Business Standard staff; the rest of the content is auto-generated from a syndicated feed.)

First Published: Tue, January 09 2018. 17:53 IST