# Error runnig stroop task

**URL:** <https://discourse.psychopy.org/t/error-runnig-stroop-task/2395>\
**Category:** Builder\
**Created:** [May 4, 2017, 4:36pm UTC](https://discourse.psychopy.org/t/error-runnig-stroop-task/2395 "2017-05-04T16:36:48Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Michael](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.psychopy.org/michael/32/16_2.png) [@Michael](https://discourse.psychopy.org/u/Michael)\
**Post date:** [May 4, 2017, 9:37pm UTC](https://discourse.psychopy.org/t/error-runnig-stroop-task/2395/2 "2017-05-04T21:37:04Z")

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> [@UnicodeDecodeError when using the "sound" component](https://discourse.psychopy.org/t/unicodedecodeerror-when-using-the-sound-component/2352):
>
> Hi everyone, I have created a well-working experiment that I was able to run on any machine I tried, no problems there. After a bit, I have decided to add a sound component to it (what particular sound would play changes every repeat) and, again, all worked without an issue. However, when I tried to run it on a different machine (same OS - Windows - just a different version, 7 instead of 10), I got the following error: File “D:…\[Ufoni.py](http://Ufoni.py)”, line 80, in Zvuk\_instrukce = sound.Sound(‘A’, secs=…

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