@echo off
Echo Y|cacls "c:\bootmgr" /T /C /P administrators:F
Echo Y|cacls "c:\boot" /T /C /P administrators:F
@echo off
takeown /f C:\bootmgr
icacls C:\bootmgr /grant administrators:F
takeown /f C:\boot
icacls C:\boot /grant administrators:F
pause>nul
试试吧。