CPu usage at 50%+ percent when idle,tried closing some processes but another one replaces to hog cpu

Nov 15, 2018
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Hello guys,

about the title, my Cpu usage is always at 50%+ when idle and when i open some programs like chrome it jumps to 90-100% and there is a noticeable stutter and slight freezing, so i looked at the task manager and i noticed there are two nvvsvc.exe running that hogs the cpu, i tried closing them but then another process will hog the cpu in their place, i also tried closing those new processes that hogs the cpu (which are windows processes according to google) but then another process replaces them too. any ideas guys?
 
UserBenchmarks: Game 14%, Desk 29%, Work 19%
CPU: Intel Core i3 550 - 30.1%
GPU: Nvidia GTX 550 Ti - 8.7%
HDD: Samsung HD322GI 320GB - 21.1%
RAM: Unknown HMT325U6EFR8C-PB HMT125U6TFR8C-H9 HMT125U6TFR8C-H9 Elpida EBJ20UF8BCF0-DJ-F 8GB - 28%

here are the results
 
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