This means that, for some reason, the "intel-microcode" package is not being able to update the microcode on your computer.
If you're in an ASUS (and only ASUS) machine, update the firmware/BIOS/UEFI. Some of their models are set up in such a weird way that requires a firmware update to update microcode, where everyone else just needs the microcode update.
In any other case, please ensure you have the "intel-microcode" package installed, and that its version starts with 3.20190618 (or higher).
If intel-microcode's version is older than 20190618, you need a newer version of the package -- but this is strange, it would likely mean you're using an unsupported version of Ubuntu, or that you disabled security updates since Ubuntu has updated intel-microcode on every supported branch recently to the 3.20190618* release.
Last, try to recall if you have not disabled microcode updates ("dis_ucode_ldr" parameter on the bootloader) for some reason -- the system won't do this, so if you did not do it, then this is not the problem.