| Symptom | Solution | |---------|----------| | Error only in one project | Use to create fresh copy | | Error after moving project | Check path length < 80 chars, no special characters or spaces | | Error after Windows Update | Run WinCC Installation Repair from Control Panel → Programs → Siemens WinCC → Change → Repair | | Multi-user / client-server | Verify network share permissions (full control for Everyone temporarily for test) |
Add your Windows user account to the SIMATIC_HMI group. Steps: Open Computer Management ( compmgmt.msc ). Navigate to Local Users and Groups > Groups . Double-click SIMATIC_HMI . Click Add... and enter your Windows user name. Restart the computer . 3. Check Network Adapter Binding (Terminalbus)
Often, the issue is a temporary file lock or a corrupted project state.
This error typically appears immediately after launching the WinCC Explorer or when trying to activate a project. It halts all progress, preventing you from accessing your runtime environment, graphics designer, or tag management. For plant operators and automation engineers, time is money. This article breaks down the root causes of this issue and provides the to get your WinCC 7.5 environment running again. a basic application could not be started wincc 75 best
Let’s move to the , ranked from quickest to most advanced.
Ensure the status is "Running" and the Startup Type is "Automatic". If it is stopped, right-click and select "Start".
If you are a Siemens WinCC user (specifically version 7.5), you may have encountered a frustrating roadblock right at startup: the dreaded error message | Symptom | Solution | |---------|----------| | Error
If the license is not recognized, the application will refuse to start.
Follow these troubleshooting steps in order, from the simplest fix to the most advanced. 1. Verify and Restart SQL Server Services
How to Fix the WinCC 7.5 "A Basic Application Could Not Be Started" Error Double-click SIMATIC_HMI
The most common cause of this error is a mismatch between your WinCC version and your Windows operating system build. sieportal.siemens.com Check Build Versions
A known conflict exists between Windows 10 version 20H2 and older WinCC 7.5 installations. This is often caused by an outdated Microsoft Edge version interfering with the SQL Server installation.
When encountering the issue where a basic application could not be started in WinCC 7.5, there are several steps and potential solutions you can explore to resolve the problem. WinCC (Windows Control Center) is a supervisory control and data acquisition (SCADA) system from Siemens, used for monitoring and controlling industrial processes. Here are some steps to troubleshoot and possibly fix the issue: