i work on number of video projects adobe premiere elements 13. have clients waiting products, premiere elements 13 has stopped saving videos properly. avchd computer dropdown selection of mp4-h264 1920x1080p 30. has worked me ever since started using programme. however, in last week, has stopped working. still exports status bar in top righthand corner of programme, , still says finishes exporting. however, when find in documents , play it, plays halfway through, audio cuts out, makes funny buzzing sound , skips straight end of video, audio , video out of sync beginning. around same time, programme has stopped asking me update when start programme, don't know if problem or not. tried update programme few weeks ago, , said updated, same , continued ask me update. continued few days, started ignore box asking me update, , closed , used programme. maybe saving problem result of "not updating" if update didn't process properly? have absolutely 0 problem playing videos exp...