"The server farm account should not be used for other services" central admin error because of that timer service fail to start

server farm account user remove user which used in service account , but problem remain same "sharepoint timer service" not started, it failed after every two minute,

someone said it's cache problem, then I create folder from copy Id from HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Shared Tools\Web Server Extensions\15.0\Secure\ConfigDB ID, and another thing I already update password through powershell command "stsadm -o updatefarmcredentials -userlogin domain\account -password password " this command but problem remain same

any other solution 

please help