CurseForge App

You should ALWAYS make backups before uninstalling.

As with any other piece of software, updates may go wrong for many reasons, including but not limited to: the launcher, the hardware, your custom configuration, the mods you added... and, rarely, FO as well.

1. Open the CurseForge App

2. Select Minecraft from the grid or from the sidebar

3. In My Modpacks, right-click on Fabulously Optimized

4. Click on Delete Profile

5. Click on Delete