Yes, there seems to have been a problem at onetime in the recent past, perhaps with this site (forums) or their name servers (unlikely). Google cache files (the ones used for speedy searching) have http://www.drumcorpsplanet.com/forums/ pointing to a bogus url4short.info site. When searching for "DCP" on Google you will get an entry for dcp forums, and the first time you click the link you will see the re-direct page to a presumed trojan site (seemingly no longer there.) However once you go back and click on the Google provided search results, the 'real' Google search data will be used (no the cached version) and you will be directed to the correct URL; Http://www.drumcorpsplanet.com/forums/
I'm not sure how to remedy, as would require Google to update their cached search entries. Perhaps updating the keywords for the might prompt a change in a few days? Or if registered with adwords, maybe an update?