The process is similar for other browsers. For Firefox, go to the menu (≡) > Add-ons and Themes > Extensions. For Microsoft Edge, go to the menu (...) > Extensions. Find the malicious extension and select or Delete .
If your game still crashes after attempting Methods 1 or 2, QuantV has likely left deep remnants inside your OpenIV archive structures. The safest way to fix a broken game without redownloading the entire 100GB+ game is to wipe your mod directory. Go to your . Locate the folder explicitly named mods . Right-click the mods folder and hit Delete . How To Uninstall Quantv
A black screen typically points to leftover graphics rendering files. Double-check your main directory for any remaining d3d11.dll or dxgi.dll files and delete them. The process is similar for other browsers