Updating firmware on a HDD/SSD with bitlocker enabled

Run an
admin CMD prompt:

Run this for every drive

manage-bde.exe
-protectors -disable c:

manage-bde.exe
-protectors -disable d:

Run Firmware Update
via ADMIN

REBOOT

Run an
admin  CMD prompt:

manage-bde.exe
-protectors -enable c:

manage-bde.exe
-protectors -enable d: