# Persistent error while installing PTB

**URL:** <https://psychtoolbox.discourse.group/t/persistent-error-while-installing-ptb/3287>\
**Category:** Programming Help\
**Created:** [July 8, 2020, 1:23pm UTC](https://psychtoolbox.discourse.group/t/persistent-error-while-installing-ptb/3287 "2020-07-08T13:23:40Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![mariokleiner](https://avatars.discourse-cdn.com/v4/letter/m/13edae/32.png) [@mariokleiner](https://psychtoolbox.discourse.group/u/mariokleiner)\
**Post date:** [July 9, 2020, 8:10pm UTC](https://psychtoolbox.discourse.group/t/persistent-error-while-installing-ptb/3287/2 "2020-07-09T20:10:27Z")

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Is this a double posting? See [MATLAB install error](https://psychtoolbox.discourse.group/t/matlab-install-error/3289/3) from today.

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_[View the full topic](https://psychtoolbox.discourse.group/t/persistent-error-while-installing-ptb/3287)._