Crashing on launch [Java 8 not installed]

This is a general support ticket template.
Please fill in as much detail as possible.

how did you install the modpack?: _launcher
have you installed Java 8?: _yes
when does the problem happen?: _during launch

describe your problem in detail here

When I hit launch it loads and automatically fails and crashes. I have allocated 4k mb to max ram and 3k to minimum ram

Fixed. Reinstalled java and updated the launcher


(Im not on mac btw no idea why the title says that)