Launch AUT does not start application,
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I've been trying to do testing with squish ( 9.1) on a newer version of application built using squish QT 6.8.3 (previous version used 5.x and was able to run properly ) and when i do all the aut mapping and try to Launch aut, the application closes and crashes and get this error,
and I've also pasted the the server log below,
S Squish tools: [2026-01-19T11:33:19.896+0000] 11:33:19:896 Info: Connection to 127.0.0.1:63151 closed.
S Squish tools: [2026-01-19T11:33:20.442+0000] 11:33:20:442 Info: Connection from 127.0.0.1:55209.
S Squish tools: [2026-01-19T11:33:20.462+0000] 11:33:20:462 Info: Connection to 127.0.0.1:55209 closed.
R: [2026-01-19T11:33:20.658+0000] 2026-01-19T11:33:20 START Start 'appstarter' Test 'appstarter' started
S Squish tools: [2026-01-19T11:33:20.659+0000] 11:33:20:659 Info: Connection from 127.0.0.1:55211.
S Squish tools: [2026-01-19T11:33:20.662+0000] 11:33:20:662 Info: Starting AUT 'MHCClient' with wrappers Qt: C:\Users\Kenneth.Hagin\Squish for Qt 9.1.0\bin\dllpreload.exe C:\Program Files\MRMC\MHC\client\MHCClient.exe
S Squish tools: [2026-01-19T11:33:21.661+0000] 11:33:21:661 DLLPreload: EXE: 'C:\Users\Kenneth.Hagin\Squish for Qt 9.1.0\bin\dllpreload.exe'
S Squish tools: [2026-01-19T11:33:21.661+0000] 11:33:21:661 DLLPreload: EXE: 'C:\Program Files\MRMC\MHC\client\MHCClient.exe'
S Squish tools: [2026-01-19T11:33:21.661+0000] 11:33:21:661 DLLPreload: dllpreload.exe: starting and trying to hook: "C:\Program Files\MRMC\MHC\client\MHCClient.exe"
S Squish tools: [2026-01-19T11:33:21.661+0000] 11:33:21:661 DLLPreload: DLL: 'C:\Users\Kenneth.Hagin\Squish for Qt 9.1.0\lib\squishqtpre.dll'
S Squish tools: [2026-01-19T11:33:21.661+0000] 11:33:21:661 DLLPreload: Command: '"C:\Program Files\MRMC\MHC\client\MHCClient.exe"'
S Squish tools: [2026-01-19T11:33:21.661+0000] 11:33:21:661 DLLPreload: main
S Squish tools: [2026-01-19T11:33:21.661+0000] 11:33:21:661 DLLPreload: Architecture 64-bit Intel of library and process match.
S Squish tools: [2026-01-19T11:33:21.661+0000] 11:33:21:661 DLLPreload: run process
S Squish tools: [2026-01-19T11:33:22.258+0000] 11:33:22:258 DLLPreload: done
S Squish tools: [2026-01-19T11:33:22.258+0000] 11:33:22:258 DLLPreload: Returning exit code 3221225477 from patched process
S Squish tools: [2026-01-19T11:33:22.258+0000] 11:33:22:258 Info: AUT process 'C:\Users\Kenneth.Hagin\Squish for Qt 9.1.0\bin\dllpreload.exe C:\Program Files\MRMC\MHC\client\MHCClient.exe' (PID 21704) finished with exit status -1073741819
S Squish tools: [2026-01-19T11:34:20.685+0000] 11:34:20:684 Info: Connection to 127.0.0.1:55211 closed.
R: [2026-01-19T11:34:21.171+0000] squishrunner exited with value -1, started with arguments: [C:\Users\Kenneth.Hagin\Squish for Qt 9.1.0\bin\squishrunner.exe, --host, localhost, --port, 53234, --debugLog, palw, --startapp, --suitedir, C:\dev_git\Test Automation\mhc\suite_Sanity, --cwd, C:\Program Files\MRMC\MHC\mhc\client, --aut, MHCClient] -
I've been trying to do testing with squish ( 9.1) on a newer version of application built using squish QT 6.8.3 (previous version used 5.x and was able to run properly ) and when i do all the aut mapping and try to Launch aut, the application closes and crashes and get this error,
and I've also pasted the the server log below,
S Squish tools: [2026-01-19T11:33:19.896+0000] 11:33:19:896 Info: Connection to 127.0.0.1:63151 closed.
S Squish tools: [2026-01-19T11:33:20.442+0000] 11:33:20:442 Info: Connection from 127.0.0.1:55209.
S Squish tools: [2026-01-19T11:33:20.462+0000] 11:33:20:462 Info: Connection to 127.0.0.1:55209 closed.
R: [2026-01-19T11:33:20.658+0000] 2026-01-19T11:33:20 START Start 'appstarter' Test 'appstarter' started
S Squish tools: [2026-01-19T11:33:20.659+0000] 11:33:20:659 Info: Connection from 127.0.0.1:55211.
S Squish tools: [2026-01-19T11:33:20.662+0000] 11:33:20:662 Info: Starting AUT 'MHCClient' with wrappers Qt: C:\Users\Kenneth.Hagin\Squish for Qt 9.1.0\bin\dllpreload.exe C:\Program Files\MRMC\MHC\client\MHCClient.exe
S Squish tools: [2026-01-19T11:33:21.661+0000] 11:33:21:661 DLLPreload: EXE: 'C:\Users\Kenneth.Hagin\Squish for Qt 9.1.0\bin\dllpreload.exe'
S Squish tools: [2026-01-19T11:33:21.661+0000] 11:33:21:661 DLLPreload: EXE: 'C:\Program Files\MRMC\MHC\client\MHCClient.exe'
S Squish tools: [2026-01-19T11:33:21.661+0000] 11:33:21:661 DLLPreload: dllpreload.exe: starting and trying to hook: "C:\Program Files\MRMC\MHC\client\MHCClient.exe"
S Squish tools: [2026-01-19T11:33:21.661+0000] 11:33:21:661 DLLPreload: DLL: 'C:\Users\Kenneth.Hagin\Squish for Qt 9.1.0\lib\squishqtpre.dll'
S Squish tools: [2026-01-19T11:33:21.661+0000] 11:33:21:661 DLLPreload: Command: '"C:\Program Files\MRMC\MHC\client\MHCClient.exe"'
S Squish tools: [2026-01-19T11:33:21.661+0000] 11:33:21:661 DLLPreload: main
S Squish tools: [2026-01-19T11:33:21.661+0000] 11:33:21:661 DLLPreload: Architecture 64-bit Intel of library and process match.
S Squish tools: [2026-01-19T11:33:21.661+0000] 11:33:21:661 DLLPreload: run process
S Squish tools: [2026-01-19T11:33:22.258+0000] 11:33:22:258 DLLPreload: done
S Squish tools: [2026-01-19T11:33:22.258+0000] 11:33:22:258 DLLPreload: Returning exit code 3221225477 from patched process
S Squish tools: [2026-01-19T11:33:22.258+0000] 11:33:22:258 Info: AUT process 'C:\Users\Kenneth.Hagin\Squish for Qt 9.1.0\bin\dllpreload.exe C:\Program Files\MRMC\MHC\client\MHCClient.exe' (PID 21704) finished with exit status -1073741819
S Squish tools: [2026-01-19T11:34:20.685+0000] 11:34:20:684 Info: Connection to 127.0.0.1:55211 closed.
R: [2026-01-19T11:34:21.171+0000] squishrunner exited with value -1, started with arguments: [C:\Users\Kenneth.Hagin\Squish for Qt 9.1.0\bin\squishrunner.exe, --host, localhost, --port, 53234, --debugLog, palw, --startapp, --suitedir, C:\dev_git\Test Automation\mhc\suite_Sanity, --cwd, C:\Program Files\MRMC\MHC\mhc\client, --aut, MHCClient]By the way, does the same issue can be reproduced while launching the application via "startaut" tool?
Ex:startaut --verbose --port=9999 "C:\Program Files\MRMC\MHC\client\MHCClient.exe"For more information regarding launching application via "startaut" tool, please refer to our following documentation.
https://doc.qt.io/squish/attaching-to-running-applications.html
https://doc.qt.io/squish/cli-startaut.html#startaut