ADO Pipeline Fails with Exit Code '2147483647' and Upgrading to TC/TE 15.75

The error code 2147483647 from cmd.exe is a high-level indication that something went wrong during execution, but it's not very specific by itself. This value could usually means:

• An unhandled exception occurred in the application.
• There's a deeper issue like missing dependencies, incorrect path, or permissions.

Since your Azure DevOps (ADO) pipeline is failing specifically when launching TestComplete or TestExecute only after upgrading to 15.75 and your installation is valid, I can only suggest you attempt further isolation:

1. On your Hyper-Vs run TeswtComplete/TestExecute manually to validate operation and license access
2. In Console run the pipeline command line and check for any crash logs in "C:\ProgramData\SmartBear\TestExecute\Logs" and any error reported in "Event Viewer > Application Logs"

Beside that I suggest you revert back to 15.74 and report to SmartBear support by creating an incident.

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