Windows 7 articles, fixes and updates - April 2011

This list contains all of the known Microsoft Knowledge Base articles, howtos, fixes, hotfixes, webcasts and updates of Microsoft Windows 7 that have been released in April 2011. The list is daily updated.

• 2545347 Excluding Programs from the Program Compatibility Assistant (PCA) Q2545347 KB2545347 April 28, 2011
• 2544808 The user certificate is associated with existing private key when re-imported Q2544808 KB2544808 April 27, 2011
• 2543399 Windows\WMI\Mofcomp fails with error 0X8004400c Q2543399 KB2543399 April 27, 2011
• 2541103 Clicking USB mouse or pressing USB keyboard while going into standby may prevent mouse/keyboard from waking system Q2541103 KB2541103 April 27, 2011
• 2539626 A disk partition which was created immediately prior to power failure or system crash cannot be formatted or used Q2539626 KB2539626 April 27, 2011
• 978626 A supplementary character is displayed incorrectly as two square boxes on a computer that is running Windows 7 or Windows Server 2008 R2 Q978626 KB978626 April 26, 2011
• 2521260 You may not be able to retrieve number of "file opens" that are currently active against the file through property InUseCount of class CIM_DataFile class Q2521260 KB2521260 April 22, 2011
• 2540167 MPEG-4 playback issues with streams containing sprite encoding Q2540167 KB2540167 April 21, 2011
• 2539403 System May Pause while Accessing Large NTFS Folder Q2539403 KB2539403 April 19, 2011
• 2537623 SetSystemTimeAdjustment May Lose Adjustments Less than 16 Q2537623 KB2537623 April 19, 2011
• 2537398 Error message 16389 when creating a new Windows Explorer Library on Windows 7 or Windows Server 2008 R2 Q2537398 KB2537398 April 19, 2011
• 2509307 Black shapes are printed instead of gradient-filled images when you print a document from a Windows 7-based or Windows Server 2008 R2-based computer Q2509307 KB2509307 April 18, 2011
• 2489177 You cannot access a drive that is mapped to a WebDAV share on a web server that uses only certificate authentication after the connection is idle for some time in Windows 7 or in Windows Server 2008 R2 Q2489177 KB2489177 April 18, 2011
• 2524668 The single sign-on feature does not work in Windows 7 or in Windows Server 2008 R2 when you try to start a full remote desktop connection through RD Web Access Q2524668 KB2524668 April 15, 2011
• 2411000 You cannot read or copy a file that contains an asterisk character in the stream name in Windows Vista, in Windows Server 2008, in Windows 7 or in Windows Server 2008 R2 Q2411000 KB2411000 April 15, 2011
• 2205122 A memory leak occurs when you press F5 to convert a character code to some specific kanji characters in the Japanese IME module in Windows Q2205122 KB2205122 April 15, 2011
• 2521416 You cannot join a home group on a computer that is running Windows 7 or Windows Server 2008 R2 and that has the TPM setting enabled Q2521416 KB2521416 April 14, 2011
• 2520212 Events are missing if the "Global Object Access Auditing" Group Policy setting for the built-in Administrators group is applied in Windows Server 2008 R2 or in Windows 7 Q2520212 KB2520212 April 14, 2011
• 2507119 Outlook crashes when you try to open a compressed email message that is created by a third-party Outlook add-in in Windows Vista, in Windows Server 2008, in Windows 7 or in Windows Server 2008 R2 Q2507119 KB2507119 April 14, 2011
• 2506591 Group Policy settings for the ActiveX Installer Service do not work on Windows 7-based computers when the Domain User group is added to specific local groups such as Network Configuration Operators Q2506591 KB2506591 April 14, 2011
• 2344949 The printing operation stops responding when you print a document for a 64-bit Office application to a PostScript printer in Windows Vista, in Windows Server 2008, in Windows 7 or in Windows Server 2008 R2 Q2344949 KB2344949 April 14, 2011
• 2983554 "0x000000BE" Stop error message when you use the Storport.sys driver to manage some storage devices in Windows Server 2008, in Windows Vista, in Windows 7 or in Windows Server 2008 R2 Q2983554 KB2983554 April 13, 2011
• 2521624 "0x000000D5" Stop error message when you run an automated test job in Windows 7 or in Windows Server 2008 R2 Q2521624 KB2521624 April 13, 2011
• 2521175 An application or a service that calls the closesocket function stops responding on a Windows Server 2008 R2-based or Windows 7-based computer Q2521175 KB2521175 April 13, 2011
• 2519735 Mouse drawing is displayed incorrectly when the screen resolution is restored after a full-screen application stops on a Windows 7-based computer that has a multitouch screen installed Q2519735 KB2519735 April 13, 2011
• 2519646 Some network connections do not work after you connect a PPP-based network interface in Windows Server 2008 R2 or in Windows 7 Q2519646 KB2519646 April 13, 2011
• 2519550 An incorrect program icon appears on the task bar in a remote desktop session that is running in Windows 7 or in Windows Server 2008 R2 Q2519550 KB2519550 April 13, 2011
• 2519400 You cannot resume a tablet computer that has no input device installed after the tablet computer does not resume from hibernation successfully in Windows 7 Q2519400 KB2519400 April 13, 2011
• 2514376 Power options do not work correctly in Windows 7 or in Windows Server 2008 R2 when you use Group Policy to configure the power plan in a domain Q2514376 KB2514376 April 13, 2011
• 2512451 Win32_PerfRawData_TermService_TerminalServices has been renamed to Win32_PerfRawData_LocalSessionManager_TerminalServices in Windows Server 2008, Windows Server 2008 R2, Windows Vista and Windows 7 environment Q2512451 KB2512451 April 13, 2011
• 2510636 An update that improves the startup performance of Windows 7 and of Windows Server 2008 R2 is available Q2510636 KB2510636 April 13, 2011
• 2503978 Invalid characters may appear in local software for China after you add a simplified Chinese language pack to an English version of Windows 7 or of Windows Server 2008 R2 Q2503978 KB2503978 April 13, 2011
• 2503539 An application that uses the RichTextBox control cannot display an .rtf file correctly in Windows 7 or in Windows Server 2008 R2 Q2503539 KB2503539 April 13, 2011
• 2502789 A Chkdsk command fails with an unspecified error on a Windows 7-based or Windows Server 2008 R2-based computer that uses a low frequency AMD CPU Q2502789 KB2502789 April 13, 2011
• 2498549 A search window opens unexpectedly after you deploy a Group Policy to disable Windows Explorer search elements in Windows 7 or in Windows Server 2008 R2 Q2498549 KB2498549 April 13, 2011
• 2459268 "0x0000009F" Stop error in Windows 7 or in Windows Server 2008 R2 when the computer enters or resumes from the Soft Off (S5) power state Q2459268 KB2459268 April 13, 2011
• 2465990 "0x80041002 (WBEM_E_NOT_FOUND)" error occurs when you try to open a WMI namespace on a computer that is running Windows 7 or Windows Server 2008 R2 Q2465990 KB2465990 April 12, 2011
• 2457836 The call operation fails with error code "0x800706f7" when you run an application that calls the OleCreateFromFile() function to create an embedded object from the contents of a named file in a 64-bit version of Windows Vista or Windows 7 Q2457836 KB2457836 April 11, 2011
• 2534518 Error code 0x8100002F and or error code 0x80070002 when you back up files in Windows 7 Q2534518 KB2534518 April 10, 2011
• 2534502 You cannot play a Windows Media DRM protected file or a Zune DRM protected file on a computer that is preconfigured with Windows 7 Q2534502 KB2534502 April 10, 2011
• 2534488 A Windows-based portable computer does not resume correctly if you close the lid while the computer is asleep Q2534488 KB2534488 April 10, 2011
• 2534486 You frequently experience a music library issue when you access the music library in Windows Media Center or in Windows Media Center Extender Q2534486 KB2534486 April 10, 2011
• 2534472 The usable memory may be less than the installed memory on Windows 7-based computers Q2534472 KB2534472 April 10, 2011
• 2534467 Desktop shortcuts disappear in Windows 7 Q2534467 KB2534467 April 10, 2011
• 2534463 Stop error when you put a computer that is running Windows 7 or Windows Server 2008 R2 to sleep or into hibernation, or when you restart the computer: "0x9F" Q2534463 KB2534463 April 10, 2011
• 2534451 Windows Explorer crashes and then restarts when you access a third-party Control Panel item on a computer that is running Windows 7 or Windows Server 2008 R2 Q2534451 KB2534451 April 10, 2011
• 933448 You cannot play a Windows Media DRM protected file or a Zune DRM protected file on a computer that is preconfigured with Windows 7 Q933448 KB933448 April 10, 2011
• 2533974 An incorrect Group Policy description may appear in Windows Vista and Windows 7 Q2533974 KB2533974 April 7, 2011
• 2519427 How to determine whether a computer is running a 32-bit version or 64-bit version of the Windows operating system Q2519427 KB2519427 April 7, 2011
• 2519425 I cannot open Help files that require the Windows Help (WinHlp32.exe) program Q2519425 KB2519425 April 7, 2011
• 2533911 Windows 7 deletes all System Restore Points upon reboot Q2533911 KB2533911 April 5, 2011
• 2528327 Event ID 36 for VolSnap is logged in Windows 7 Event Viewer after applying Service Pack 1 Q2528327 KB2528327 April 5, 2011
• 2407549 You may be affected by some harmful or malicious online content when you use Windows Internet Explorer on a computer that is running Windows XP, Windows Vista, or Windows 7 Q2407549 KB2407549 April 5, 2011
• 2521085 Xbootmgr fails when resultpath is set to removable disk Q2521085 KB2521085 April 4, 2011
• 2445570 Slow response working with WebDAV resources on Windows Vista or Windows 7 Q2445570 KB2445570 April 4, 2011