Qt Platform Plugin Windows

Re: This application failed to start because it could not find or load the Qt platform plugin 'windows' Kevin_Monahan May 15, 2017 12:50 PM ( in response to Joe Bodego ).

I downloaded latest installation, and I cant start any app in bin directory. Here is error from hbdbu --------------------------- hbdbu --------------------------- This application failed to start because it could not find or load the Qt platform plugin 'windows'.

Available platform plugins are: minimal, offscreen, windows. Reinstalling the application may fix this problem. --------------------------- OK --------------------------- I tried to put qwindows.dll from Qt installation, but it still doesn't work. Also, to compile app with this installation I must set SET HB_QT_MAJOR_VER=5 or else app will ask for Qt4 libs to link. (not needed, since the installation is Qt5 based, and Qt libs are there) Regards, Dusan Majkic Wings Software Luigi Ferraris 12/5/2014, 2:01 น. > Will investigate more.

I compiled Validator.hbp from qtwidgets/test. With latest latest Qt 5.3 (MinGw4.82 - OpenGL) only those dlls are needed. (No need for platform plugin!) Validator.exe depends on and works with: Qt5Core.dll Qt5PrintSupport.dll Qt5Widgets.dll Qt5Gui.dll libstdc++-6.dll libwinpthread-1.dll libgcc_s_dw2-1.dll icudt52.dll icuin52.dll icuuc52.dll If I copy those dlls to qtcontribs/bin dir - everything works! This Qt version is without ANdroid. It could be some Android related issuse (like OpenGL). I am downloading Android version to check that also.

Luigi Ferraris 12/5/2014, 2:36 น. Hi Pritpal, congratulations!

Question: I read about plugins and I understand that platform plugins can be loaded by 5 methods: 1.- from hard coded path into Qt5Core 2.- from plugins platform 3.- from path specified into 'qt.conf' plus ' platform' string 4.- from path specified in QT_QPA_PLUGIN_PATH environment variable plus ' platform' string 5.- from path added to QCoreApplication class but, with these methods isn't possible to load plugins from (I can be wrong!) How you did to achieve this behavior? Thanks in advance CdQ. Hi Pritpal, >> And a good one though.

It should be easy, but bow such path will >> be known to HbQt at the run-time? ENDIF oCoreApplication:addLibrary( cPlatformPluginsFolder ) >> You mean to check such path pointed to by env variable: >> QT_EMBEDDED_PLATFORMS_PLUGINS? No, it is for not include this automatic mechanist into hbqt library (at hbqt make time), because platforms plugins occupy 1.5MB. Then, if QT_EMBEDDED_PLATFORMS_PLUGINS=NO is specified, platforms plugins should be managed manually outside exe Note: you can use: FUNCTION hbqt_getTempFolder() RETURN QStandardPaths():writableLocation( QStandardPaths_TempLocation ) instead of getEnv() and '/tmp', but I think that at QCoreApplication point, the QStandardPaths class wasn't initialized (maybe) Regards CdQ.

This application failed to start because it could not find or load Qt platform plugin 'windows' in '. Reinstalling the application may fix this problem. Get this message when I start up AutoCAD 2017 and 2018. Have used repair and reinstall.

Have uninstalled using the uninstall tool from Autodesk and then done a fresh install. Nothing helps. I can run.as a trial but as soon as I want to register it chrashes.

Have installed all Windows and Autodesk updates as of yesterday. Chrash report have been sent to Autodesk. Urgent help needeed PS. I am able to run Revit. Kartinki abonent umer hai.