I don't sure where start this post, so i put in this section, when i put a link of a build of skill calculator, the links is separate automatically the numbers, i trid a lot of thinks, and with chrome and firefox :S, a example where happens is in my post: http://www.dbocom.com/forum/showthread.php?t=42358
For some reason it's a known error that a very few amount of people don't have hyperlinks. However, your tags are incorrect which is probably why it's not working.
[URL="Insert url here"]text[URL]
You do need a / in front of the second url so it looks like this /URL