# DOPUS suddenly quit previewing movie files in viewer pane

**URL:** <https://resource.dopus.com/t/dopus-suddenly-quit-previewing-movie-files-in-viewer-pane/5796>\
**Category:** Help & Support\
**Created:** [April 3, 2008, 2:31am UTC](https://resource.dopus.com/t/dopus-suddenly-quit-previewing-movie-files-in-viewer-pane/5796 "2008-04-03T02:31:48Z")\
**Posts on this page:** 1\
**Showing post:** 2

<div class="post-metadata">

**Author:** ![Leo](https://resource.dopus.com/user_avatar/resource.dopus.com/leo/32/69732_2.png) [@Leo](https://resource.dopus.com/u/Leo)\
**Post date:** [April 3, 2008, 6:43am UTC](https://resource.dopus.com/t/dopus-suddenly-quit-previewing-movie-files-in-viewer-pane/5796/2 "2008-04-03T06:43:15Z")

</div>

Do movies play okay in Windows Media Player? It's not exactly the same as Opus but they both rely on the same underlying stuff to play videos so it's a good first test.

The first section of this FAQ, which suggests temporarily assigning filetypes to Windows Media Player to repair registry settings, may help:

[[HOW TO: Enable/fix playback of various media formats in Opus](http://resource.dopus.com/t/how-to-enable-fix-playback-of-various-media-formats-in-opus/1974/1))

---

_[View the full topic](https://resource.dopus.com/t/dopus-suddenly-quit-previewing-movie-files-in-viewer-pane/5796)._