解决方法:
a、在开始->运行中输入regedit
b、删除HKEY_CURRENT_USERSoftwareMicrosoftMicrosoft SQL Server
c、删除HKEY_LOCAL_MACHINESOFTWAREMicrosoftMicrosoft SQL Native Client
d、删除HKEY_LOCAL_MACHINESOFTWAREMicrosoftMicrosoft SQL Server
e、删除HKEY_LOCAL_MACHINESOFTWAREMicrosoftMicrosoft SQL Server 2005 Redist
f、删除HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlSession ManagerPendingFileRenameOperations
所有安装的问题基本上都可以解决