Perhaps it is a quirk with an outdated browser or maybe simply outdated Flash. Try updating your Flash, here is the download page http://get.adobe.com/flashplayer
Which browser do you use? I recommend Firefox or Safari.
Because of all the interactive features the Clubhouse and Nation offer, it sometimes doesn't play well with outdated browsers, Flash and Java. It seems folks who have the most problems use an older version of Internet Explorer or outdated Flash and once they fix that have no more problems.
The focus here is on all types of handmade instruments and music. There are lots of helpful builders and players here and lots of Groups to teach and learn. We welcome participation so don't be shy.
Have a look around, introduce yourself in My Name Is... and add yourself to the Member Map. There's an active Chat Room where you can ask questions, offer help or just talk about anything with some great folks.