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Microsoft halts some AMD chip Spectre patches after PCs freeze

Reuters  |  FRANKFURT 

By Eric Auchard

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

said in a customer support blog post it had received complaints from customers that their machines stopped loading the Start menu or taskbar after installing Windows security updates.

The issues affect older generations of its chips, said in a statement.

Some complaints on customer support blogs described computers freezing when users attempted to install patches on decade-old Athlon X2 chips, for example. A declined to detail the range of processors affected.

"is aware of an issue with some older following installation of a security update that was published over the weekend," the statement said.

shares fell nearly 4 percent in early U.S. trading on Nasdaq. 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 Meltdown 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 was working with to resolve the issues and would resume Windows to affected devices via its Windows Update process as soon as possible. said in its statement it expected Windows updates for its chips to roll out again shortly.

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

Meltdown and Spectre are two memory corruption flaws which could allow hackers to bypass 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 the Meltdown 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 Mark Potter)

(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)

First Published: Tue, January 09 2018. 21:56 IST