When I tried to install WHM/cPanel on the CentOS 6.5 the installing process unfortunately has been discontinued. Again, let trying to install the packages get an error like below,

Error :

Beginning main installation.
Detected an installer lock file (/root/installer.lock).
Please be sure that an installer is not already running.
You can remove this file and re-run the cpanel install once you're certain another installation isn't in progress
root      2011  0.0  0.3   2416   960 pts/0    R    08:56   0:00 sh -c ps auxwww |grep 1622

To fix this issue has followed below steps,
 
#cd /root/

#ls

installer.lock

remove the intaller.lock  file from the root directory and attempt to execute installation command,
 
# rm installer.lock
# cd /home
# sh latest &