Issue With The Vultr

Hi Everyone,
Hope You all are doing fine ,
I Have an issue with my vultr servers.

Suddenly today my one of vultr server stopped working and the CPU usage goes up upto 100% , when i asked the support , they replied me with this .

can any one tell me how to solve the error , i tried to search on google and everywhere, but still there is no solution , please help.

Recently @Ajay_Gu was able to fix the problem following below guide.