• • • • • PyQt5 This application failed. Not find or load the Qt platform plugin 'windows' • If this is your first visit, be sure to check out the by clicking the link above. You may have to before you can post: click the register link above to proceed.
To start viewing messages, select the forum that you want to visit from the selection below. Prikaz 452 mz rk ot 03072012 2017. • Welcome to Qt Centre. Is a community site devoted to programming in C++ using the. Over 90 percent of questions asked here gets answered. If you are looking for information about Qt related issue — and post your question. You are currently viewing our boards as a guest which gives you limited access to view most discussions and access our other features.
Try turn on plugin loading trace: (quoting my post): in the Projects mode page, at the bottom, add the environment variable QT_DEBUG_PLUGINS by clicking Details in Build Environment. Set the value to 1.
By joining our free community you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is fast, simple and absolutely free so please,! If you have any problems with the registration process or your account login, please. Hello everybody, Absolute beginner with PyQt. And already stopped after the installation.
I have run into the 'This application failed to start because it could not find or load the Qt platform plugin 'windows' ' error. First what i try to do: i try to run PyQt5 in the 3d software Blender to create a tool panel there. For that i installed PyQt5 directly in Blender into the python directory. The PyQt5 folder is in 2.76 python lib site-packages. That way PyQt5 gets at least found. Which should be good enough to get started with some first experiments.
Unfortunately Blender crashes with the above error when i try to run the first simple script from the PyQt5 introduction tutorial in Blender. The script can be found here: It also crashes with other simple scripts of that kind.
So the problem seems not the script. What i tried so far: Gooled my ass off. Came up with the usual solutions to place libEGL.dll and qwindowsd.dll into the application path.
Problem is, they already exists in the needed paths, they are part of the PyQt5 installation. As told, i have installed PyQt5 directly into the python/lib/site-packages directory for now. Qwindows.dll is for example in 2.76 python lib site-packages PyQt5 plugins platforms. And i don't know where i should place those files elsewhere. Not that i haven't tried, but the effect was always the same. And that was basically what i have found as a possible solution. Which has lead me to this forum now.
Blender Version: 2.76b Blenders internal Python version is 3.4.2 (default, Dec 7 2014, 18:21:18) [MSC v.1800 64 bit (AMD64)] PyQt5-5.5.1-gpl-Py3.4-Qt5.5.1-x64.exe (64 bit because i use 64 Bit Blender here. Problem?) Windows 7 home The qt.conf is in 2.76 python. The qwindows.dll file needs to be in the platforms subdirectory under the executable, in this case probably Blender.
See the article on. If it is a 64-bit version of Python, then it needs the 64-bit version of the qwindows.dll file. I don't know much about Blender. If it is a Python app, and the Python distro was built using MS Visual Studio 2013 (which is what the '1800' implies), then your qwindows.dll will likely need to be one that was built with that version of the compiler. If the 'exe' is actually Python, then the dll probably needs to be installed under its exe path.