Log Name: ApplicationSource: Microsoft-Windows-User Profiles ServiceDate: 2/25/2010 11:07:02 AMEvent ID: 1530Task Category: NoneLevel: WarningKeywords: ClassicUser: SYSTEMComputer: NS8Description:Windows detected your registry file is still in use by other applications or services. The file will be unloaded now. The applications or services that hold your registry file may not function properly afterwards. DETAIL - 1 user registry handles leaked from \Registry\User\S-1-5-21-3296371076-2254597543-495130503-500:Process 1256 (\Device\HarddiskVolume2\Windows\System32\svchost.exe) has opened key \REGISTRY\USER\S-1-5-21-3296371076-2254597543-495130503-500\Printers\DevModePerUser

Hi, You can refer to the following KB. Event ID: 1530 may be logged in the Application log on a Windows 7-based or Windows Vista-based client computer http://support.microsoft.com/kb/947238 Best Regards, Vincent Hu