Problems in QT creator (additional unknown and error lines are listed in the debug output window)

// stay Qt Creater Unknown paths in the application output and unknown specified errors reported using the file dialog ！

My computer is on Qt Creater after , After running the program , The prompt shown in the following figure appears first for automatic operation , Checked the data , It's a system problem , No solution found , Now make a note here .（ The installation path and the path where the program is running do not contain Chinese , But the output shown in the figure below appears , The red graffiti part is my Chinese user name , This is true for both high and low versions installed , present Qt by 5.7.0 Lower version of .）

Of the file dialog box bug, The file dialog box can be opened successfully , That is, the application reports an unspecified error , As shown in the figure below ：

Qt The open source community A person in a forum said that it was the system reason
I am here NI Community Similar discussions have been found （ It seems to have nothing to do with build options ( Or at least independent of the debug level ). There seems to be no strange event registration in the system log . ）, But no solution .
After checking the data, no solution has been found , Now record .
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