If you have any problems registering, send a message through the "Contact us" link at the bottom of the page.
1) To register, you will have to solve either a captcha or a Q&A. Some bots and spammers seem to beat the captcha, so we may sometimes use the Q&A as this seems more effective. If you get confused by the Q&A, send a message for assistance.
2) Your account will be inactive until you complete the email activation. If you don't see the email, it probably went to your spam folder. Or you gave an incorrect email.
3) Users with zero posts have limited privileges. The first post must be manually approved before appearing on the forum. After that the user should have normal privileges.