CPU is always at or over 75% usage

I use SysExplorer from sysinternals suite package and it always shows my computer running 75% usage. Even just by having 3 tabs on my chrome browser window open, sysexplorer and perhaps Utorrent running my CPU seems to alway be maxed out. Even while utoorent is only using like 25% of my CPU. How can I reduce/free up my CPU usage?
 
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