For some reason, my Computer (running on Windows 8.1) is unable to start the PsychoPy3 App although PsychoPy3 has been working perfectly for months. I searched through a lot of the threads on this website and tried several suggestions that have already been made. Unfortunately, nothing works so far.…

Hi @jon , thanks for your answer! You are right, I didn’t find the right folder. I found them now and deleting the appData.cfg file indeed solved the problem. One reason I didn’t find the correct file was that the suggested code on the troubleshooting page, that is: python -c “from psychopy impor…

Standalone PsychoPy3 will not open

Other

s.bassoon July 1, 2020, 4:13pm 7

Thanks, this just helped me resolve the same issue

PsychoPy does not open "configobj.ConfigObjError: Parsing failed with several errors"

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Standalone PsychoPy3 will not open

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