Applies ToWindows 7 Service Pack 1 Windows Server 2008 R2 Service Pack 1

This update includes quality improvements. No new operating system features are being introduced in this update. Key changes include:

  • Improved support for the Disk Cleanup tool to free up space by removing older Windows Updates after they are superseded by newer updates.

  • Improved compatibility of certain software applications.

  • Removed the Copy Protection option when ripping CDs in Windows Media Audio (WMA) format from Windows Media Player.

  • Addressed issue that causes mmc.exe to consume 100% of the CPU on one processor when trying to close the Exchange 2010 Exchange Management Console (EMC), after installing KB3125574.

  • Addressed issue that causes the Generic Commands (GC) to fail upon attempting to install KB2919469or KB2970228on a device that already has KB3125574installed.

For a complete list of affected files, see KB3185278.

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