A Basic Application Could Not Be Started Wincc 7.5

Here’s a post you can use on a forum, LinkedIn, or a support blog regarding the “A Basic Application Could Not Be Started” error in WinCC 7.5.

"A Basic Application Could Not Be Started" in WinCC 7.5 typically indicates a conflict between the software, the SQL Server instance, or underlying Windows security settings Immediate Troubleshooting Steps Run Reset_WinCC : Close all WinCC applications and run the Reset_WinCC.vbs A Basic Application Could Not Be Started Wincc 7.5

1. Run WinCC as Administrator

Even if your account is an administrator, Windows UAC can block certain automation components. Here’s a post you can use on a

  • Repair installation:

    Alternatively, use the "Reset_WinCC.vbs" tool. You can find this in the WinCC installation directory (usually bin folder). Running this script terminates all background WinCC processes safely. 4. Verify SQL Server (WinCC Instance) WinCC 7.5 uses a specific SQL instance named WINCC. Press Win + R, type services.msc, and hit Enter. Locate SQL Server (WINCC). Repair installation: Alternatively, use the "Reset_WinCC

    Shut down winCC. 2). On the desk top there is an icon labelled something like "reset winCC". Siemens SiePortal

    Disk Sector Size: If using Windows 11 with modern NVMe drives, SQL Server may fail if the sector size is larger than 4KB. You may need to apply a registry fix to force the physical sector size. 2. Permissions & Groups

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