helpsvc.exe get my 100% CPU usage

helpsvc.exe get my 100% CPU usage

I encounter a problem these day when I turn on my pc or wake it up from stand by I see my cpu usage is on 100%, when I monitor my processor by procexp.exe , it's shows me that helpsvc.exe get my 100% of cpu , I want know what is it? is it normal? what I should do to solve it?