No, its just one of the problems that you will encounter with Incredimail. If you are lucky, you may avoid the more serious problems that it causes such as computer lock-ups.
Everyone I know who has used it, has eventually uninstalled it because of this including myself(twice)
The programme seems to become corrupted over a period of time and is only cured by re-installing it.
Also the signature advert attached to the emails in the free version cause some anti-spam programmes to block emails that you send.
Despite its attractions, its more trouble than its worth.