Hi Jerin, I stopped running this service a few months ago, just checked again, it's still stopped permanently. My terminal output is below: > [tony@localhost ~]$ /sbin/service cpuspeed status > cpuspeed is stopped > [tony@localhost ~]$ rpm -qa | grep cpuspeed > cpuspeed-1.2.1-1.33 > > Are u running cpuspeed service . if yes then try to stop it then try -- GPG Key fingerprint = EEB2 6364 791C 3BE2 A008 22D0 C469 950C 7C5A EE77