![]() You can find it running this in the commandline (if you have multiple Python installations then make sure you change python to the appropriate one for PsychoPy ®: The exact location of those files varies by machine but on windows it will be something like %APPDATA%psychop圓 and on Linux/MacOS If PsychoPy ® is crashing during startup you may need to edit those files or delete them completely. Navigate to Contents/Resources/lib/pythonX.X/psychopyĮvery time you shut down PsychoPy ® (by normal means) your current preferences and the state of the application (the location and state of the windows) are saved to disk. Right click the PsychoPy ® app and select Show Package Contents When you get an error message in the Coder click on the hyperlinked error lines to see the relevant code You might find you understand more of it than you think! To have a look at the source code do one of the following: You may not think you’re much of a programmer, but have a go at reading the code. PsychoPy ® comes with all the source code included. ![]() To turn off the Output view so that error messages are sent to the command prompt/terminal on startup, open your appData.cfg file (see Cleaning preferences and app data), find the entry:Īnd set it to showOutput = False (note the capital ‘F’). In this case the error message is still not sent to the console or command prompt. Very occasionally an error will occur that crashes the application after the application has opened the Coder Output window. ![]() Manually turn off the viewing of output ¶ If you still don’t get an error message but the application still doesn’t start then manually turn off the viewing of the Output (as below) and try the above again. Try running your experiment again and see if an error message appears in this Output view If there is no Output panel at the bottom of the window, go to the View menu and select Output Go to the Coder view (from the Builder>View menu if not visible) An error message may have been generated that was sent to output of the Coder view: I run a Builder experiment and nothing happens ¶Īn error message may have appeared in a dialog box that is hidden (look to see if you have other open windows somewhere). If there are a huge number of messages there you might find it easiest to clear them (the brush icon) and then start PsychoPy ® again to generate a new set of messages Open the Console app (open spotlight and type console) When you hit you will hopefully get a moderately useful error message that you can Contribute to the Forum (mailing list) "C:\Program Files\PsychoPy2\python.exe" - m psychopy. ![]() Paste the following into that window (Ctrl-V doesn’t work in Cmd.exe but you can right-click and select Paste): Reinstalling the application may fix the problem”? If so that indicates you need to update your. Windows users (starting from the Command Prompt):ĭid you get an error message that “This application failed to start because the application configuration is incorrect. The way to get that message depends on the platform (see below). If resetting the preferences files doesn’t help then we need to get to an error message in order to work out why the application isn’t starting. To fix that see Cleaning preferences and app data, below. What this means is that an error has occurred during startup itself.Ĭommonly, the problem is that a preferences file is somehow corrupt. You may find that you try to launch the PsychoPy ® application, the splash screen appears and then goes away and nothing more happens. That said, a huge number of bugs have been resolved by the fact that there are literally 1000s of people using the software that have contributed either bug reports and/or fixes.īelow are some of the more common problems and their workarounds, as well as advice on how to get further help. ![]() Running on all possible hardware and all platforms is a big ask. Regrettably, PsychoPy ® occasionally has bugs. ![]()
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