This can be the result of many things, try any or all of the following.
-If you dont have javascript, adobe, or other programs vital for viewing some items on webpages, download the latest versions
-Your IP may be banned due to the banning of another person if you live nearby, in which case, send me a PM of your IP.
-You may be using incorrect characters for account names or passwords
-The server may have crashed, in which case try again later
-Disable virus softwares or the popup protection on Google Chrome, which can be extremely annoying.
If none of the following works, we can manually make an account for you, in which case, PM me on the forums the information you would like.