Your non-paged pool seems to be the issue, it is normally 100-200MB. Something is not releasing the pool after closing.
Does this problem happen when you have not yet opened any program?
Does this problem happen in safe mode?
Check in resource monitor for pagefaults in the 'Memory' tab, you can find resource monitor below in the 'Performance' tab in task manager,.
Please fill in your system specs
Please follow this tutorial
and download the tool. The tool will give you detailed information about your system specs, please fill in your system specs more completely including PSU, cooling and other used stuff like mouse, keyboard, monitor, case, etc.
The PSU, cooling and other stuff are NOT mentioned in the tool.
How to fill in your system specs: