OK, thanks for reply.
(Advanced) Energy/Power Settings - function significance.
Maximum battery life/power efficiency - I recomend 1 function, maybe this is neccesary on tablets, laptops, notebooks. Configure/Settings tools to improves battery life. Economy mode increases PC’s mobility, save money by reducing energy/power consum: CPU/wireless adapter energy saving etc, HDD standby.
Windows power options can turn off many optimisations for save energy - sleep pc and other.
I love CCleaner since vers. 1.
All the best!
P.S: sorry 4 my english.