Cpu is unworkable or has been change check soft...

Question

Recently i took out my motherboard to test on another pc's power supply. i may not have fix the cpu chip properly... when i fix back my motherboard to where it belong.. there is a Cmos error... I change the battery... it loads into window.. when i restart... i have a error massage "cpu is unworkable or has been change check soft menu"

 

Pls Help!