In Vegas Pro 9 64-bit under Vista Home Premium 64, I keep losing rendering CODECs. Re-installation is a workaround, but I'm seeking some understanding of the issue. Anyone have ideas?
Not all CODECs disappear, but many do. Notably, the MainConcept CODECs for MPEG-2 and MPEG-4, etc.
Intel Core2Duo at 3.0 GHz
4GB RAM
nVidia 8500GT graphics