@zszszol Is your drive connected to an internal SATA controller set to AHCI mode? If not, the update won't work.
Have you used CSE or another utility such as GSmartControl (there is a portable Windows version so it doesn't need to be installed) to manually check the firmware is at version M3CR022?
If you can provide screenshots of the actual version number and also the message when you try to update it as it might help Crucial.
Until the issue is resolved you can try manually update the firmware using a CD/USB from here.
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