quicktime pro can't merge 2 mov. any more!!
Hi everyone,
I update the latest ML OS version, and there is something wrong...
I open 2 files (mov.), would like to merge (or edit) 2 files together.
But when I press cmd+v, it can't work!!!
please help me, thank you everyone!
iMac, QT pro 7.6.6, OSX 10.8.4