Ensure the correct network adapter is selected (the one physically connected to the PLC or server network). 5. Windows Updates and Compatibility
Right-click your license and select to ensure it isn't corrupted. 2. Reset the WinCC Project (CCCleaner)
If you are working with , encountering the error message "A basic application could not be started. Please check your software license" can be a major roadblock. This error typically triggers when you try to open the WinCC Explorer or activate a project. 1. Verify License Status a basic application could not be started wincc 75
WinCC 7.5 relies heavily on . If the SQL service isn't running, the WinCC Explorer cannot initialize. The Fix: Press Win + R , type services.msc , and hit Enter. Find SQL Server (WinCC) .
Ensure you haven't upgraded to WinCC 7.5 while still holding a 7.4 license; Siemens licenses are version-specific. Ensure the correct network adapter is selected (the
Run the tool. It will terminate all lingering WinCC processes and clean up the temporary runtime environment. Restart your computer and try opening the project again. 3. Check SQL Server Instance
If your WinCC project folder was moved or copied from another machine, the "basic application" might fail because it doesn't have permission to write to the project database. Right-click your project folder. Go to Properties > Security . Ensure the "SIMATIC HMI" user group has Full Control . This error typically triggers when you try to
The most common culprit is a missing or incompatible license. WinCC 7.5 requires specific "RC" (Runtime and Configuration) or "RT" (Runtime) licenses. Open the Automation License Manager (ALM) . Check if your licenses are visible and "OK."
Sometimes, background processes from a previous session don't close properly, preventing a new "basic application" from launching. Close WinCC and all SIMATIC software.