Uninstall any tool that suggested this update. Then, ensure Windows Update is current – that is the only safe source for any microcode or processor-related updates for this decade-old CPU.
Programs like Driver Booster , Driver Easy , or fake "Driver Update" pop-ups often invent names like this. They prey on users with older hardware. Installing their recommended "driver" often installs adware, bloatware, or worse. Intel-r- Celeron-r- Cpu 900 - 2.20ghz Driver Update 1