I have a headache from searching for solution of my problem.
Everytime when I open Google Chrome and any YouTube video (doesn't matter if Flash or HTML5), system process named "NT Kernel & System" goes to costume about 17% of all my CPU performance.
It assumes to 100% of 1 core of all 8 cores.
When I close the YouTube tab, the process immediatelly drops to 0~2% which seems to be OK.
- ASUS R500V
- Intel Core i7-3610QM @ 2.30 GHz
- 8 GB RAM
- Windows 7 SP1 Home Premium 64-bit
- Google Chrome 40.0.2214.91 m 64-bit
And in the last stats from Chrome task manager: