Type or Copy/Paste QT_QPA_PLATFORM_PLUGIN_PATH as the variable name on the lest column. In the right column, type in the directory in which you platform is in. In my case, it is 'C: Qt 5.3 msvc2013 plugins platforms'.

After updating the program to version 2.0.20 it won’t start anymore. In Windows 10 the black terminal window shows up for just a split second and then vanishes. By filming this screen with my phone I was able to read what it actually said: 'Qt: Untested Windows version 10.0 detected! 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.'

Sadly though, reinstalling did not fix the problem. What should I do to run the program again? The previous version ran just finde on that very same machine and Windows. All I did was update because the APMPlanner itself suggested that I did so. I know this is an older post, but I am actually getting something similar in Windows 7, and I cannot find a way to get around it. I even installed the full Qt suite and copied the dll to the APM Planner directory: C: Users Administrator>'C: Program Files (x86) APMPlanner2 apmplanner2.exe' This application failed to start because it could not find or load the Qt platfo rm plugin “windows”. Available platform plugins are: minimal, offscreen, windows.

Reinstalling the application may fix this problem.

I am running Crunchbang Linux (Waldorf), a distribution based on Debian Wheezy. I downloaded the most recent virtualbox from here, which is VirtualBox 5.1 for Linux. I run the command sudo dpkg -i virtualbox-5.1_5.1.0-108711~Debian~wheezy_i386.deb And here is the entire output: (Reading database.

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196982 files and directories currently installed.) Unpacking virtualbox-5.1 (from./virtualbox-5.1_5.1.0-108711~Debian~wheezy_i386.deb). Setting up virtualbox-5.1 (5.1.0-108711~Debian~wheezy). Addgroup: The group `vboxusers' already exists as a system group.

Processing triggers for hicolor-icon-theme. Processing triggers for shared-mime-info. Processing triggers for desktop-file-utils. When I enter the command virtualbox I get the following error message: Qt FATAL: This application failed to start because it could not find or load the Qt platform plugin 'xcb'. Available platform plugins are: xcb.

Reinstalling the application may fix this problem. I installed the package xcb but no change. Any suggestions? I had the same problem with Virtualbox 5.1 on Ubuntu 14.04. I fixed it, maybe not in the best way, but it works: ldd /usr/lib/virtualbox/plugins/platforms/libqxcb.so grep not It lists the broken links to some libraries. Now you can see all those links are in the same folder /usr/lib/virtualbox/, If you don't believe me, try this: sudo updatedb locate libQt5XcbQpaVBox.so.5 Then manually create some soft links to a known folder: sudo ln -s /usr/lib/virtualbox/libQt5XcbQpaVBox.so.5 /lib/i386-linux-gnu/ create a link for each library list listed by running the first command, and that's it!

.deb package of VirtualBox depends on libqxcb externally(does not come bundled with it), on installing it and running VirtualBox it showed me this error: $ VirtualBox Qt FATAL: This application failed to start because it could not find or load the Qt platform plugin 'xcb' in '. Available platform plugins are: minimal, offscreen, xcb. Reinstalling the application may fix this problem. Aborted Even finding broken packages by ldd and creating their soft links didn't help me. But in the.run package, it didn't show any such error because.run package comes with all the dependencies bundled along with it.

I still couldn't find the solution to this error, but here is a workaround you may try to get VirtualBox running by uninstalling the present version and then installing the.run package: wget chmod +x VirtualBox-5.2.12-122591-Linux_amd64.run sudo./VirtualBox-5.2.12-122591-Linux_amd64.run Another solution is to clean Qt build from the system and make it again but it takes a lot of time so I chose this method. For those who are still stuck after trying every other option out there in the internet, you can look into exact path from which this notorious libqxcb.so is being searched in, for opening/loading by the Qt App( VirtualBox-5.2.8 is the Qt app in my case), using the strace tool. In my case, since I was building VirtualBox-5.2.8 from its source, it was searching for libqxcb.so in the below location: '.VirtualBox-5.2.8/out/linux.amd64/release/bin/platforms/' and not in the default library paths, Qt installation path, etc. So, none of the ldd checks, and other solutions worked.