The first step is identifying where your game is installed, as this is where all QuanV files reside.
A: Not technically a virus, but it is classified as a Potentially Unwanted Program (PUP) or browser hijacker . It exhibits adware-like behavior. How To Uninstall Quantv
A: That means Quantv was overriding your game’s shaders or textures. Reinstall the original game files via Steam/Epic’s “Verify Integrity” feature, or restore from a backup. The first step is identifying where your game