A Basic Application Could Not Be Started Wincc 7.5 Link
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If you prefer not to duplicate the project, you can manually strip away temporary runtime files that might be locking the basic application initialization. Close WinCC and stop the runtime completely. Navigate to your WinCC project root directory.
Double-click each group and ensure your current Windows login account is explicitly added as a member.
Third-party services (printer software, GPU overlays) can conflict. A Basic Application Could Not Be Started Wincc 7.5
: Installing the latest update (e.g., Update 15 for WinCC 7.5 SP2) often resolves version-specific bugs. 2. Verify User Groups and Permissions
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Overzealous antivirus software (especially McAfee, Norton, or even Windows Defender real-time scanning) can quarantine or block the launch of .exe files that WinCC needs. AI Mode history New thread AI Mode history
The error in WinCC 7.5 typically indicates a conflict between the software and the Windows environment, often related to SQL Server instances, user permissions, or compatibility updates . Immediate Troubleshooting Steps
The phrase "check your software license" is a red herring. In many cases, the license is installed and active, but WinCC cannot communicate properly with the underlying services it relies on.
You must log out and log back into Windows for these changes to take effect. 2. Check the WinCC Project Path WinCC is sensitive to where your project is saved. Navigate to your WinCC project root directory
The .mcp (Master Control Program) file or temporary project databases are locked or corrupted.
: Always install WinCC on a fresh, official Microsoft Windows image. Never use "optimized" or "GHOST" versions of Windows, as these often lack critical components that WinCC requires.