Executing CMD commands using C++

Question

I am trying to sleep my PC using this command

system("C:\\Windows\\System32\\psshutdown -d -t 0");

it works fine if I use cmd, but when I run this in cpp, I got this

'C:\Windows\System32\psshutdown' is not recognized as an internal or external command, operable program or batch file.

phuclv · Accepted Answer · 2023-02-26 09:11:18Z

2

32-bit applications running on 64-bit Windows will be put under file system redirection. Therefore if your app is a 32-bit one, the call system("C:\\Windows\\System32\\psshutdown -d -t 0"); will look for psshutdown.exe in C:\Windows\SysWOW64 and failed. You have some solutions:

Use Sysnative instead to access the real System32 folder:

system(R"(C:\Windows\Sysnative\psshutdown -d -t 0)");

Turn off file system redirection explicitly (should be avoided in general)
Or better recompile your app as a 64-bit application

edited Feb 26, 2023 at 9:11

answered Nov 7, 2020 at 9:24

phuclv

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