[Development] QProcess doesn't run cmd.exe

[Henry Skoglund]

On 2018-12-08 05:12, Jed Evnull wrote:
> I'm attempting to open a cmd.exe console in Windows using Qt 5.11x. The 
> code fragment below works reliably for Windows 10 and Windows 8x. 
> However, for Windows 7 what appears to be a console window just blinks 
> and goes away. I've tried modifying the argument to just call cmd.exe 
> (no .bat file) and also included the full path to cmd.exe, neither 
> change mattered.
> 
> |QProcessp;p.setProgram("cmd.exe");p.setArguments({"/k",QDir::currentPath()+"/cpath.bat"});p.setCreateProcessArgumentsModifier([](QProcess::CreateProcessArguments*args){args->flags 
> &=~CREATE_NO_WINDOW;});p.startDetached();|
> 
> |I've asked this question elsewhere and have gotten no responses. Please 
> help!|
> 

Hi, QProcess I think uses CreateProcess on Windows and that API has 
stayed the same since at least Windows XP, so Windows 7 should behave 
the same as versions 8 or 10.

Perhaps the anti-virus program on your Windows 7 dislikes launching 
cmd.exe, try disabling it. Also, try creating a new, vanilla Qt Console 
Application in Qt Creator and see if that runs.

Rgrds Henry