复制下面代码保存成bat然后运行即可

@echo off
reg query "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList" /f "*.bak" /k>profile-bak.txt
for /f "skip=1 delims=" %%a in (profile-bak.txt) do (
    reg delete  "%%~a" /f
)
pause