Hi, Demon_Wraith.
In order to recover
your account, Go to
www.RuneScape.com and hover your mouse over "Login to Website". Next click "Forgot Password?". Once it takes you to the new page, enter your RuneScape account username
or your email login (If you created the account on or after the 25th of November, 2010).
Once you've done that, It will ask you for the email, If you no longer have access to that email. Just skip this step, It will take you to the manual recovery form.
Enter as much things accurately about your account as you can. Including every possible detail, such as creation date, membership details, and even your Internet Source Provider and your home IP.
Once you've filled in everything you can, Submit the form, Check the email you will provide for the result to be emailed to, within 1 - 2 hours.
I hope you get your account back, If it is your inital account, you should have no problems.