Snag wrote When attempting to upload a forum avatar:  An Error Has Occurred When Attempting To Save The File D:\inetpub\darkones\Portals\0\Forums\UserAvatar\indydie.gif. Please Contact Your Hosting Provider To Ensure The Appropriate Security Settings Have Been Enabled On The Server.

Yaup, getting the same error as well, looks like the folder permissions just need to be updated to allow WRITE. I belive this can be done in the Control Panel the host provider has.