1、关闭360!关闭SQL Server 安装程序
2、到注册表中删除HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\PendingFileRenameOperati3、删除HKEY_CURRENT_USER\Software\Microsoft\Microsoft SQL Serverons
4、删除HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft SQL Native Client
5、删除HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft SQL Server
6、删除HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft SQL Server 2005 Redist
7、然后重新安装或重启电脑
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