A Basic Application Could Not Be Started Wincc 75 ^new^ Guide

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 one physically connected to the PLC or server network). 5. Windows Updates and Compatibility a basic application could not be started wincc 75

Sometimes, background processes from a previous session don't close properly, preventing a new "basic application" from launching. Close WinCC and all SIMATIC software. Ensure you haven't upgraded to WinCC 7

If none of these steps work, the issue might be a corrupted project file ( .mcp ). Try creating a brand new project . If the new project opens, your original project database may need a manual attach/detach in SQL Management Studio. Try creating a brand new project

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."

Check the Siemens Compatibility Tool online to ensure your Windows "Build" number (e.g., 22H2) is officially supported by WinCC 7.5. If a recent Windows update broke the link, you may need to repair the WinCC installation via the Control Panel. 6. Folder Permissions