手動移除 db 方法1: If you are running an x86 based edition use msiexec /x {CEB5780F-1A70-44A9-850F-DE6C4F6AA8FB} CALLERID=ocsetup.exe If you are running an x64 based edition use msiexec /x {BDD79957-5801-4A2D-B09E-852E7FA64D01} CALLERID=ocsetup.exe 方法2(請先備份相關登錄檔): If you are running an x86 based edition use "{CEB5780F-1A70-44A9-850F-DE6C4F6AA8FB}" If you are running an x64 based edition use "{BDD79957-5801-4A2D-B09E-852E7FA64D01}" 開啟 regedit,以上述字串尋找,將找到的字串其父階層的 mssql2005 刪除即可 例: [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft SQL Server]