Well you got to the window, and have learned how to enter a post, so I can congratulate you and welcome you to BC!
First, don't panic. Our members have a wide range of expertise in many areas of computing and can help you with your computer problems. You will need to find a forum that seems best, and post about your problem. This short pinned topic will help you to make the best possible post, and thus the fastest responses with help:http://www.bleepingcomputer.com/forums/t/41987/before-you-post-about-a-problem/
I am sure our members can help you.