nvrt.exe - At your option

nvrt.exe

Improve boot up time Run a free scan to diagnose your PC and identify the system boottle necks slowing you down. Start Test

Fix Windows PC's Fast! Automated Software Repairs damaged & slow windows systems in 1 click.

Description:

nvrt.exe
NVRefreshTool.
This small utility automatically detect the maximum refresh rate at each resolution that your monitor supports.
And than you can choose optimal settings for your eyes.
Usually not required.