I ran System Update Readiness tool: ================================= Checking System Update Readiness. Binary Version 6.1.7601.21645 Package Version 11.0 2011-05-15 09:59 Checking Windows Servicing Packages Checking Package Manifests and Catalogs (f) CBS MUM Corrupt 0x00000000 servicing\Packages\Package_for_KB2507618_RTM~31bf3856ad364e35~amd64~~6.1.1.0.mum Expected file name Microsoft-Windows-Foundation-Package~31bf3856ad364e35~amd64~~6.1.7600.16385.mum does not match the actual file name Checking Package Watchlist Checking Component Watchlist Checking Packages Checking Component Store Summary: Seconds executed: 440 Found 1 errors CBS MUM Corrupt Total count: 1 Unavailable repair files: servicing\packages\Package_for_KB2507618_RTM~31bf3856ad364e35~amd64~~6.1.1.0.mum servicing\packages\Package_for_KB2507618_RTM~31bf3856ad364e35~amd64~~6.1.1.0.cat ------------------------ Where do I obtain the .mum and .cat files to replace the corrupt files? Thanks.

If you have another computer then copy them from there. If no, perform an in-place upgrade. This posting is provided "AS IS" with no warranties or guarantees , and confers no rights. Microsoft Student Partner Microsoft Certified Professional Microsoft Certified Systems Administrator: Security Microsoft Certified Systems Engineer: Security Microsoft Certified Technology Specialist: Windows Server 2008 Active Directory, Configuration Microsoft Certified Technology Specialist: Windows Server 2008 Network Infrastructure, Configuration Microsoft Certified Technology Specialist: Windows Server 2008 Applications Infrastructure, Configuration

Hello, downloading the KB2507618 file and extracting it should provide you also the files.Best regards Meinolf Weber Disclaimer: This posting is provided "AS IS" with no warranties or guarantees , and confers no rights.

Hi, For the detailed information of how to extracting the update file, please refer to the following Microsoft KB articles: Command-line switches for Windows software update packages http://support.microsoft.com/kb/262841 You cannot extract the contents of a Microsoft Update Standalone Package for Windows Vista http://support.microsoft.com/kb/928636 Regards,Please remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.