Microsoft emergency patch causing problems for XP users

Microsoft has issued a hotfix for a problem with its emergency patch for the Windows operating system, just a day after it was released.

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Microsoft has issued a hotfix for a problem with its emergency patch for the Windows operating system, just a day after it was released.

The software giant issued a knowledge base article and a new hotfix to address problems with the MS07-017 patch rushed out on Tuesday 3 April to deal with a bug in the way Windows processes .ani Animated Cursor files.

Microsoft was forced to release the MS07-017 patch a week ahead of its monthly "patch Tuesday" schedule, because exploits of the vulnerability had become widespread.

But the knowledge base article confirms that the patch prevents the Realtek HD Audio Control Panel, used to configure sound, from starting. The Realtek issue affects users who have installed the patch on Windows XP Service Pack 2 Professional, Home, Tablet and Media Centre editions.

Users are rushing to install the critical MS07-017 patch because of known exploits that can be used by attackers to take complete control of a system remotely.

The Internet Storm Centre at the SANS Institute has warned that "other possible issues have been reported" in connection with the patch.

Microsoft did not confirm the existence of "other possible issues", but a spokesperson said the Realtek issue “appears limited in terms of the number of customers impacted".

The Realtek problem also involves security update MS07-008, which was released in February to address a vulnerability in the Windows HTML Help ActiveX control that could allow remote code execution.

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