<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta content="text/html;charset=UTF-8" http-equiv="Content-Type"></head><body ><div style="font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 10pt;"><div id="Zm-_Id_-Sgn" data-zbluepencil-ignore="true"><div><div>I ran into the same issue. There were some security improvements to DLL loading in Python 3.8 that broke for old versions of Windows. Windows 7 requires Windows Update KB2533623 to be installed as well.<br></div><div><br></div><div><a href="https://docs.python.org/3/whatsnew/3.8.html#bpo-36085-whatsnew" target="_blank">https://docs.python.org/3/whatsnew/3.8.html#bpo-36085-whatsnew</a><br></div></div></div><br><div data-zbluepencil-ignore="true" id="Zm-_Id_-Sgn"><div><br></div></div><br><div data-zbluepencil-ignore="true" style="" class="zmail_extra"><br><div id="Zm-_Id_-Sgn1">---- On Thu, 02 Apr 2020 07:17:49 -0500 <b> <skruse131087@gmx.de></b> wrote ----<br></div><br><blockquote style="border-left: 1px solid rgb(204, 204, 204); padding-left: 6px; margin: 0px 0px 0px 5px;"><div>Dear all,<br> <br>maybe it's known to the mailing list, but I did not find any information about this:<br><br>It seems that PyQt5 currently doesn't work with Python 3.8.2 on a win7 machine.<br><br>I installed Python 3.8.2 (64bit) and PyQt5 with pip install pyqt5.<br>A simple import (python >> import PyQt5.QtCore) produced the following error: <br>python 3.8 pyQT ImportError: DLL load failed while importing QtCore:<br><br>As workaround I uninstalled python 3.8 and installed python 3.7. With python 3.7 everything works as expected.<br><br>Best regards<br>Stefan<br>_______________________________________________<br>PyQt mailing list <a target="_blank" href="mailto:PyQt@riverbankcomputing.com">PyQt@riverbankcomputing.com</a><br><a target="_blank" href="https://www.riverbankcomputing.com/mailman/listinfo/pyqt">https://www.riverbankcomputing.com/mailman/listinfo/pyqt</a><br></div></blockquote></div><div><br></div></div><br></body></html>