# Flash CS3 playback really slow

**URL:** <https://forum.kirupa.com/t/flash-cs3-playback-really-slow/246328>\
**Category:** flash\
**Created:** [December 10, 2007, 6:00am UTC](https://forum.kirupa.com/t/flash-cs3-playback-really-slow/246328 "2007-12-10T06:00:38Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![janealice](https://avatars.discourse-cdn.com/v4/letter/j/ce73a5/32.png) [@janealice](https://forum.kirupa.com/u/janealice)\
**Post date:** [December 10, 2007, 6:00am UTC](https://forum.kirupa.com/t/flash-cs3-playback-really-slow/246328/1 "2007-12-10T06:00:38Z")

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I have created movies in Flash CS3 with publish settings for Flash version 8. I have lowered the fps to 12, it’s very simple animation but when I test it on other machines the playback speed is really slow, the music finishes way before the movie ends. Any ideas?