A Basic Application Could Not Be Started Wincc 75 Jun 2026

The Windows user does not have proper administrator rights or is not part of the SIMATIC HMI group.

Always run WinCC Explorer with administrative privileges ( Right-click -> Run as Administrator ).

Short checklist for field technicians (one-page) a basic application could not be started wincc 75

Check for Event ID 10010 in Windows Event Viewer. Ensure DCOM is enabled and configured correctly. ⚠️ Advanced Troubleshooting

WinCC 7.5 has strict compatibility requirements regarding Windows 10/11 builds and .NET Framework versions. The Windows user does not have proper administrator

Overzealous security software can block WinCC's background scripts, mistaking them for malicious behavior.

💡 : Always check the Automation License Manager service status first; if it isn't running, WinCC cannot initialize any "basic application". To provide more tailored steps, could you tell me: What is your Windows build number ? Does this happen with all projects or just one? Ensure DCOM is enabled and configured correctly

A corrupted installation is often the culprit. The most damaging conflict arises from installing WinCC 7.5 on a system with other incompatible Siemens software. Specifically, . Similarly, installing WinCC 8.1 alongside WinCC 7.5 can leave behind incompatible licensing remnants and system files.

If you are still having trouble,g., "activating runtime", "opening editor")? Have you recently installed any Windows or Siemens updates? Are you using a virtual machine or a physical machine? I can provide more specialized troubleshooting steps.

Based on standard industry troubleshooting and Siemens support documentation, the failure of a "basic application" usually stems from three core areas: