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.

Hi,Please refer to the following KB:Event ID: 1530 may be logged in the Application log on a Windows Vista-based client computerhttp://support.microsoft.com/kb/947238Meanwhile, please understand this is Exchange forum, for Windows OS issue, please write post on the following forum: http://social.technet.microsoft.com/Forums/en-US/category/windowsvistaitpro/Thank you,Elvis