重装Windows后旧文件权限问题的修复

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在重装Windows后，非系统盘上遗留的那些目录及文件，有时操作时会出现权限问题。原因是重装后系统认为用户 SID 变了，导致原本属于你的文件现在的“主人”变成了未知账户。

所以应该先 Takeown（拿所有权），再 Icacls（重置权限）。

手工执行

得到计算机名和用户名

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whoami

记住它，比如：emileitx\emile

然后执行takeown和icacls

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takeown /f D: /r /d y
icacls "D:" /grant "emileitx\emile":(OI)(CI)(F) /t /c

或者把以下代码存为bat脚本，自动化执行

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@echo off
chcp 65001 >nul
setlocal enabledelayedexpansion

:: ========================================
:: Check for administrator privileges
:: ========================================
@ECHO OFF&(PUSHD "%~DP0")&(REG QUERY "HKU\S-1-5-19">NUL 2>&1)||(
powershell -Command "Start-Process '%~sdpnx0' -Verb RunAs"&&EXIT)

echo ========================================
echo Running with administrator privileges
echo ========================================
echo.

cd /d "%~dp0"

set "LOG_FILE=D:\DiskPermissionFix.log"
set "CURRENT_USER=%USERNAME%"
set "COMPUTER_NAME=%COMPUTERNAME%"

echo Log file will be saved to: %LOG_FILE%
echo.

:MENU
cls
echo ========================================
echo         Disk Permission Fix Tool
echo ========================================
echo.
echo Current User = !CURRENT_USER!
echo Computer Name = !COMPUTER_NAME!
echo.
echo 0  - Exit
echo [Press Enter] - Start from D drive
echo Input a drive letter (e.g., e) to start from that drive
echo.

set /p STARTDRV=Enter the starting drive letter and press Enter (default is D): 

if "%STARTDRV%"=="0" exit /b
if "%STARTDRV%"=="" set STARTDRV=D

:: Convert to uppercase and get first character only
set STARTDRV=%STARTDRV:~0,1%
for %%Z in (A B C D E F G H I J K L M N O P Q R S T U V W X Y Z) do (
    if /i "%STARTDRV%"=="%%Z" set STARTDRV=%%Z
)

echo.
echo Will start from drive %STARTDRV% for permission fix...
echo.
pause

:: ========================================
:: Enumerate all available fixed drives
:: Only get NTFS drives, exclude C: drive, optical drives, and removable drives
:: DriveType 3 = Local Disk
:: ========================================
echo.
echo Scanning for NTFS drives...
echo.

set DRIVES=
set COUNT=0

:: Simple method: check each drive letter directly
for %%D in (D E F G H I J K L M N O P Q R S T U V W X Y Z) do (
    if exist %%D:\ (
        :: Try to get file system type
        for /f "tokens=*" %%F in ('fsutil fsinfo volumeinfo %%D: 2^>nul ^| findstr /C:"File System Name"') do (
            echo %%D: %%F
            echo %%F | findstr /I "NTFS" >nul
            if !errorlevel! EQU 0 (
                set DRIVES=!DRIVES! %%D:
                set /a COUNT+=1
                echo Found NTFS drive: %%D:
            )
        )
    )
)

echo.
echo Total NTFS drives found: !COUNT!
echo Drives list: %DRIVES%
echo.

if !COUNT! EQU 0 (
    echo No NTFS drives found excluding C drive!
    echo.
    echo Troubleshooting: Listing all existing drives...
    for %%D in (D E F G H I J K L M N O P Q R S T U V W X Y Z) do (
        if exist %%D:\ (
            echo Drive %%D: exists
            vol %%D:
        )
    )
    pause
    goto MENU
)

:: ========================================
:: Start from the selected drive
:: ========================================
set DO_RUN=0
set PROCESSED=0

for %%D in (%DRIVES%) do (
    set THIS=%%D
    set THISDRV=%%D
    set THISDRV=!THISDRV:~0,1!

    :: Check if we have reached the selected start drive
    if /i "!THISDRV!"=="%STARTDRV%" set DO_RUN=1

    if !DO_RUN! == 1 (
        set /a PROCESSED+=1
        echo.
        echo ====================================================
        echo Processing drive %%D ...
        echo ====================================================
        echo ---------------------------------------------------- >> "%LOG_FILE%"
        echo Starting processing for %%D ... >> "%LOG_FILE%"
        echo [%date% %time%] Processing %%D >> "%LOG_FILE%"
        
        :: Run takeown command
        echo.
        echo [Step 1/2] Taking ownership of %%D\ ...
        echo This may take several minutes, please be patient...
        echo.
        echo Executing takeown operation... >> "%LOG_FILE%"
        takeown /f %%D\ /r /d y >> "%LOG_FILE%" 2>&1
        if !errorlevel! neq 0 (
            echo [ERROR] takeown failed for %%D! >> "%LOG_FILE%"
            echo [ERROR] takeown failed! Check the log!
        ) else (
            echo [SUCCESS] takeown completed for %%D! >> "%LOG_FILE%"
            echo [SUCCESS] takeown completed!
        )

        :: Run icacls command
        echo.
        echo [Step 2/2] Setting permissions on %%D\ ...
        echo This may take several minutes, please be patient...
        echo.
        echo Executing icacls operation... >> "%LOG_FILE%"
        icacls %%D\ /grant "%CURRENT_USER%":^(OI^)^(CI^)^(F^) /t /c >> "%LOG_FILE%" 2>&1
        if !errorlevel! neq 0 (
            echo [ERROR] icacls failed for %%D! >> "%LOG_FILE%"
            echo [ERROR] icacls failed! Check the log!
        ) else (
            echo [SUCCESS] icacls completed for %%D! >> "%LOG_FILE%"
            echo [SUCCESS] icacls completed!
        )
        
        echo.
        echo Drive %%D processing finished.
    )
)

if !PROCESSED! EQU 0 (
    echo.
    echo [WARNING] No drives were processed! 
    echo Starting drive %STARTDRV% was not found in the available drives list.
    echo.
)

echo.
echo *** All processing completed ***
echo Log file: %LOG_FILE%
echo.
pause
goto MENU

参考资料
豆包