Do not just close the SUM GUI. Use Task Manager or PowerShell:

You can verify the installation in your Control Panel under "Programs and Features" as Microsoft Visual C++ 2012 Redistributable (x64/x86) . ⚠️ Troubleshooting

The process sits at 50% CPU for hours. The SUM tool hangs on "Executing Preq Check."

Dsyadmvc11preq.exe is an executable file that is part of the Microsoft Dynamics System Administration and Utilities. The "DSY" prefix suggests that it is related to Dynamics, a line of enterprise resource planning (ERP) and customer relationship management (CRM) software solutions developed by Microsoft.