D4rk icon pack problem
 

i dont know if someone else has face the same situation as i am :$
last night i installed d4rk icon pack the time i put them on cpu temperature suddenly raised upto 46 from 37 and load applet (which shows cpu usage and memory) showing cpu is been used continuously while i am not using any single thing :$
is there any command to shut every app which is running but hidden ? :$

faced this temprature issue again that's why started this thread :$