Solution:
Remove backslash from working directory variable - UAC elevation
For cscript //NoLogo "%EnglishizeDir%Data\_elevate.vbs" "%EnglishizeDir%" "%EnglishizeDir%\EnglishizeCmd.bat" >nul 2>&1
%EnglishizeDir%\EnglishizeCmd.bat should be %EnglishizeDir%EnglishizeCmd.bat