I’ve had similar problems all week…RAM preview cuts short (only about 2-3 seconds of SD)…purge cache…then get the “must have 2 or more frames to preview”
Ran the apple hardware test looking for bad RAM…all clean.
Re-installed AE CS3, upgraded to 8.0.2, dumped all preferences…no dice.
Changed memory settings to %120/%50/2000…cleaned the database and cache…no luck.
I’m all out of ideas…anyone???
macpro dual 2.8 quad-core
10 GB ram
10.5.2
quicktime 7.4.5