Let me know your setup details so we can narrow down the exact root cause. Share public link
Disable the SIMATIC WinCC TM Naming Service in Windows Services ( services.msc ). Step 6: Repair or Reinstall WinCC/SQL A Basic Application Could Not Be Started Wincc 7.5
Understanding the root causes and applying systematic troubleshooting steps will help restore your SCADA system to full operation. Primary Causes of the Error Let me know your setup details so we
In some instances, the problem is isolated to a specific project rather than the entire WinCC installation. Each WinCC project contains a .dcf (Data Configuration File) which stores configuration data. If this file becomes corrupted, it can prevent WinCC from opening that project. Deleting the .dcf file forces WinCC to regenerate a fresh copy, which often resolves the issue. which often resolves the issue.