# Preloaders and export for runtime

**URL:** <https://forum.kirupa.com/t/preloaders-and-export-for-runtime/215571>\
**Category:** Uncategorized\
**Created:** [February 8, 2007, 8:33am UTC](https://forum.kirupa.com/t/preloaders-and-export-for-runtime/215571 "2007-02-08T08:33:51Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![brndn](https://avatars.discourse-cdn.com/v4/letter/b/dec6dc/32.png) [@brndn](https://forum.kirupa.com/u/brndn)\
**Post date:** [February 8, 2007, 8:33am UTC](https://forum.kirupa.com/t/preloaders-and-export-for-runtime/215571/1 "2007-02-08T08:33:51Z")

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can some one confirm if there are some issues when you export library assets and duplicate movieclips, when trying to have a getBytesLoaded preloader?