No.
That's a problem with your computer, not twitter.
Follow the related link for a detailed page on what Twitter considers as spam from their official Help Center.
403 Error generally means that you are forbidden to view it, either threw the website (i highly doubt since its twitter), or a program on your actual computer.
Yes! You can look at anybody's Twitter page, and they do not know who's viewing there page. No worries
There's a new Twitter page that just launched December 2009 at www.twitter.com/eewmagazine
Yes, I do believe he does have a twitter page. It is @joelhouston
I cannot connect to my profile on Twitter. It keeps on saying error on page
when you make your twitter page it asks you do you want to upload a photo.
She doesn't have Twitter.
yes she does have twitter.
No he doesn't have Twitter.
No there is no Twitter account for this person.