If your current version is 22.214.171.1249, and the installing version is 126.96.36.1998, I'm not sure why the OS would be flagging that as a downgrade.
Was the 188.8.131.529 a custom driver from Asus, or the stock driver from Microsoft? If it was custom from Asus, you may have better luck with
Thanks for your tip with Asus. I did not want make my first post too long. Therefore, I did not wrote all the details.
I also download the ASUS C22x_Intel_RAID_VER380110x.zip. In C22x_Intel_RAID_VER380110x folder is the subfolder IRSTe\Install\AsusSetup.exe
Unfortunately we got the same message:
Very strange that the setup would perform a downgrade. Maybe a translation error?