Windows 8 update bug clogs CPUs
A bug introduced in the latest update for Windows RT, Windows 8 and Windows Server 2012 is reportedly causing performance problems for many users.
Released earlier this week as part of the company's monthly Patch Tuesday update cycle, KB2821895 is designed to update the servicing stack - the portion of the operating system used by Windows Update - to add much-needed improvements. Among the features tweaked or added by the update are the ability to install previously downloaded updates without an active internet connection, a reduction in certain software sizes, and the automatic compression of unused binary files when updates are installed.
The Fix : According to a member of the German-language Dr. Windows forum, which was one of the first sites to spot the problem, the issue can be solved by running the Deployment Image Servicing and Management (DISM) command below with administrative privileges:
DISM /online /cleanup-image /restorehealth
While this process takes some time, it should prevent the CPU from being overloaded with spurious analysis and error logging. Thus far, Microsoft has not commented on the flaw in the update, nor has it indicated any plans to release a patch of its own for the issue.
-AL
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