When you install a new SD card, windows install a driver for the card and by default selects “Better performance” policy. It means “Enabling write caching in Windows”.
If you want than all new SD cards will be installed with “Quick removal” options you need modify sffdisk.inf file as following:
1. add a new section:
[expect_surprise_removal_disk_install_HW.AddReg]HKR,Sffdisk,”UserRemovalPolicy”,0×00010001,0×3 ; ExpectSurpriseRemoval
2. In the [sdstorage_Install.NT.HW] section add the following line:
AddReg=expect_surprise_removal_disk_install_HW.AddReg
Note: modify sffdisk.inf file in c:\windows\inf directory and in c:\windows\C:\Windows\System32\DriverStore\FileRepository\sffdisk.inf_x86_neutral_?????????? dyrectory too (?????????? is different on different computers).