95% of the time if you think you ruined your first brew, you didnt.
Check out the sticky for more details:
Since I dont know anything about Coopers I'm going to assume its a extract kit. Let it ferment out. My wort always stays cloudy for about 2 weeks, and begins cleaning up into the 3rd week.
When in doubt, wait it out. At least when it comes to beer making.
Relax, Don't Worry. Etc, etc, etc.