Can you please post all the information we request in the [URL=http://www.myeclipseide.com/PNphpBB2+file-viewtopic-t-393.html]Posting Guidelines[/URL] thread at the top of this forum? That will give us some context so that we can determine if this is an installation issue, a configuration problem, or a bug. Thanks.
Also give us a small sample page to look at, you MAY actually have the tags in the wrong position. Keep in mind that in HTML 4.01 strict (which is what the validator is) you need to use <tbody> and <thead> tags for your tables, which 99% of people don’t do, so that alone would cause the validator to complain.