Front Page Not Loading

I was working with menu items and I did something that disabled the front page of my site. I can access everything else but can't get the index.php file to open. Sorry to be a pain...I am pulling out my hair.

Non functional homepage

www.tivgear.com/tivgear/index.php

Working link

www.tivgear.com/tivgear/index.php?page=s...irtuemart&Itemid=159

I need to figure out how to link the front page as a component on the menu.

404 - Component not found

Figured out the solution

Go into Menus/Menu Manager, and click New
Name it mainmenu, and just for good measure, I gave it a title of Main Menu and a description of Main menu.
Go into Menus/Main Menu, and click New
Select Menu Item Type Internal Link/Articles/Front Page/Front Page Blog Layout
Title it whatever you want (I used Home), and click Save
You should be back in Menu Item Manager [mainmenu] but if not, go to Menus/Main Menu
Select Frontpage radio button, then click the Default button.