Solved! Is it safe to delete nvidia files?

Jun 4, 2018
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I found out that C:\Program Files\NVIDIA Corporation\Installer2 is 2.9 gb and I saw some guides that I'm safe to delete what's inside Installer2 but in exchange I'll have to reinstall NVIDIA app once again in order to be able to uninstall.

What do you think? Is it safe? Any harms?