I found a solution for my problem. I had to set renderType=Text.QtRendering to solve the issue. With Qt 5.4.2, I had to set renderType=Text.NativeRendering Very strange to me, but works ;) Regards Fabrice

Here is pretty much the commands I use to deploy the app: qmake videoplayer/videoplayer.pro -o build/MakeFile -r -spec win32-msvc2010 -nocache jom -f Makefile -s windeployqt --release release

Ok, it sounds like a bug then. Good if you open ticket. Make sure to include a small complete working example they can use to reproduce it.

@HansVL nope, thats conform with my 10.1 experience

I found a solution here, https://stackoverflow.com/questions/24720458/failed-to-install-qt-5-visual-studio-add-in to delete the registry key [HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\Qt Visual Studio Add-in 1.1.11 – C:_Program Files (x86)_Qt4VSAddin] But it wouldn't delete in regedit.. Then I found https://www.raymond.cc/blog/full-control-permission-to-delete-or-edit-restricted-windows-registry/ And one of raymond's suggestion.. Registrar registry manager, was able to rename/delete the key. I renamed it and then I was able to install it.

Latest drivers ?

@KroMignon said in Update from Qt 5.4.2 to 5.6.3 on Windows7/XP: Is some one aware about those issues? Probably it is better to check on JIRA if those are known issues. @KroMignon said in Update from Qt 5.4.2 to 5.6.3 on Windows7/XP: Is here the right place to post this kind of questions? Also on JIRA you may find already work arounds or discussions. If you do not get feedback within a reasonable time frame, you may want to check with the developer mailing list.

The best way and easier is to compile your program into a virtual machine (https://www.virtualbox.org/)

still think the components that are used in examples should be included by default or at least if nothing else warned that you wont be able to do some examples unless you have them (in the right places mind you, not tucked away in some weird documentation). It would also be nice if there is gonna be typing completion in qmake, cmake, etc., that it actually be contextual to the syntax of those items and not just spit out seemingly random tags most of which don't have anything to do with said files... even better, maybe include at least the headers that way you know for sure you are missing the library instead of ghostin' the whole kit'n'kaboodle.

@VRonin said in Send arrow keys via QProcess in any platform: @Mark81 Then do you really need Qt? there are already mature tools to do those kind of things, for windows: http://ahkscript.org/ and for linux: http://www.semicomplete.com/projects/xdotool/ I don't need Qt for this. But I have a quite large application that does a lot of things. One of those, is to launch external applications and send them keystrokes as you would type in front of a keyboard.

@BruceNaylor Hmm that's interesting! I posted on the C++ Gurus forum and a couple guys there suggested I use the MinGW that gets installed with QT Creator (when you select that option) and that actually fixed my issue with registry keys. I was going to give cross compiling another try on Windows, maybe your fudges will fix some other issues I've into. I appreciate the suggestions!

Thanks. For now I found it easier to solve my problem by using an offline installer, which worked fine. But I'll keep your advice in mind for the future.

@Wieland No, we are using the <video> tag in HTML5, together with JS to play webM format video. With 5.6, the video goes up all the time till the system crashes. The problem is disappeared in 5.7 with newer Chromium core, but it leads out a new problem as indicated the https://bugreports.qt.io/browse/QTBUG-53411. When we use 5.7, the memory is fairly stable, but then after the first run, the JS will fail to work with the application due to a bug in QwebchannelTransport. We tried to build QT from source code, but the WebEngine won't build (see my other post). We are looking for a compiled WebEngine module with the bugs fixed as indicated in the QTBug-53411. Thank you.

I did install the one coming with the Qt package, there is no other version installed.

offline and MinGW

Indeed, debug build should work as well. Hmmm, try switching to Debug, and do Clean All, run Qmake, Rebuild All. Maybe do that twice for good measure. Anyway, now you're up and running in Release mode, happy VLC hacking!

Do this for the widgets inside the ToolBox: widget->setBackgroundRole(QPalette::Base);

@SGaist Will do. Thank you!