I left a voicemail for the Sales rep in Pasadena and sent an E-mail to the Parts Dept. Have not heard back from either one. As a student, I purchased Avid Media Composer v2.8.4 in early 2008. I previously had Mac OS 10.4.11 Tiger. Unfortunately, I had to upgrade my operating system to Mac 10.5.8 Leopard...

Just in case... if your problem still exists in OSX 10.6.4, there is another solution. After installation, delete the file Caption.avx. It can be found by right clicking on the programm, open "Show Package contents", in there "Shared support", AVX2_Plug-ins, where you can find the...