Locate the group named (and SIMATIC HMI Viewer if applicable) and add your user account. Log out of Windows and log back in to apply the changes. Step 2: Check the WinCC SQL Server Instance
Open the and ensure that the required License for WinCC V7.5 is activated. If the license is missing or damaged, the "basic application" will fail to start. Deep Fix: Reinstalling WinCC and SQL
The error message "A basic application could not be started" in WinCC 7.5 typically indicates a problem that prevents the WinCC application from launching properly. WinCC (Windows Control Center) is a supervisory control and data acquisition (SCADA) system from Siemens used for monitoring and controlling industrial processes. When encountering such an error, here are several steps and areas you can investigate to troubleshoot and hopefully resolve the issue: a basic application could not be started wincc 75
💡 : 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?
Run the tool. Wait for the command prompt sequence to completely close, which indicates all stuck background tasks ( CCPerfMon.exe , CCProjectMgr.exe , etc.) have been purged. Reopen your project and attempt runtime activation. Repair the WinCC v7.5 Installation Locate the group named (and SIMATIC HMI Viewer
. Here is a review of why this happens and how to fix it based on community consensus from Siemens SiePortal and technical forums. Siemens SiePortal Common Root Causes SQL Server Corruption
Disclaimer: Always ensure you have a full project backup and system restore point before modifying registry or security settings. Siemens WinCC is a registered trademark of Siemens AG. If the license is missing or damaged, the
If it’s not running, it. If it is running, Restart it. Also, ensure SQL Server Browser is running. 3. Reset the WinCC Project