I installed the QT 5.6.1 x64 toolbox (using the qt-opensource-windows-x86-msvc2015_64-5.6.1-1 installation file) on a PC using Windows 10 Pro x64. It seems that QT Designer (... / bin / designer.exe) does not start. It is in the list of processes of the task manager (when using 0% of the processor and 12 MB of memory), but nothing is displayed (without windows, splashes, etc.).
The QT designer from the QT 5.1.1 x86 suite is working correctly.
Should I use the QT 5.6.1 x86 toolkit to use the QT Designer tool? Or is there another way?
The same problem is using QT 5.7 x64
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