Any change on your site takes one or two weeks to reflect on search engines . Try submitting sitemap through google webmaster to keep your site links updated in google index.
Did you disable the plugins before updating wordpress?
Hello nolaflash
Please check your homepage template of your theme may be that have some issue. And as James said you can switch theme to see if the issue was with the theme or any plugin.
Hi darroosh
Please tell me if the account you using have former admin privileges.I can help you with the issue if you provide me error or any unexpected error that coming.
