The following solutions have been identified as the most effective by the Siemens community:
Follow these troubleshooting steps in order, moving from the most common quick fixes to advanced system restorations. 1. Verify User Group Memberships
Before diving into the fixes, it is crucial to understand the architecture of WinCC. The "basic application" refers to the core Windows processes that WinCC relies on, such as:
Check the "SQL Server Browser" service as well; it should also be running. 3. Verify SIMATIC Security Settings
: This error frequently occurs when attempting to create projects via Remote Desktop (RDP) . Siemens recommends performing development tasks locally rather than through RDP. a basic application could not be started wincc 75 best
WinCC relies heavily on Microsoft SQL Server. If the SQL instance is corrupted or blocked, the application will not start. Update Microsoft Edge
I can provide specific logs to check (like the WinCC "Diagnose" folder) if the steps above don't clear the error.
Use the Siemens setup to perform a "Repair" installation on your WinCC components. 4. Best Practices for Stable WinCC 7.5 Setup
Follow these verified steps in order to diagnose and resolve the initialization error. The following solutions have been identified as the
Go to Computer Management > Local Users and Groups > Groups.
Many "application could not be started" errors were specifically patched in SP2 Update 4. Summary Checklist If you are still stuck, follow this quick-fire sequence: Run CCCleaner. Restart the SQL Server (WINCC) service. Run SIMATIC Security Control (Repeat Settings). Delete .DCF files in the project folder.
When trying to create new project, it shows "A basic ... - SiePortal
If the error persists, the SQL instance may be corrupted. Users often find success by completely uninstalling WinCC and the manual removal of all MS SQL Server components before reinstalling. Community Insights on Fixes The "basic application" refers to the core Windows
Never terminate WinCC via the Windows Task Manager or pull the power plug on the IPC unless absolutely necessary. Use the "Deactivate Project" button within WinCC Explorer.
| Best Practice | Why It Matters | | :--- | :--- | | | Install WinCC on a freshly installed, genuine "Professional" version of Windows (e.g., Windows 10/11 Pro). Avoid "Ghost" or heavily modified OS versions, as they are missing critical components. | | Finalize the Computer Name | The Windows computer name must adhere to strict rules: only use capital letters, must start with a letter, and avoid special characters (like hyphens, underscores, or spaces). Never change this name after installing WinCC . | | Enable Required Windows Features | Before installation, manually turn on .NET Framework 3.5 and Microsoft Message Queue (MSMQ) Server through the "Turn Windows features on or off" dialog. | | Disable All Security Software | Temporarily disable all antivirus software, firewalls, and security tools (including Windows Defender) for the entire duration of the WinCC installation. Re-enable them only after the installation is complete and the PC has been rebooted. | | Ensure Administrator Rights | Log in with a user account that has full administrator privileges before starting the installation. |
If stopped: right-click → Start. If fails to start → reinstall SQL instance (Fix 6).