!new! - Wincc Viewer Rt Download Fix
If the Viewer RT opens but fails to load the project, it is often a Windows User Group issue.
To fix issues with WinCC Viewer RT downloads and connectivity, you often need to address network configuration, user permissions, or corrupted local configuration files. 1. Manual File Transfer (When Automated Download Fails)
Run the installer on the client machine as an . Fix 3: Configure Windows Internet Options and Trusted Sites wincc viewer rt download fix
If the Viewer RT opens but shows a black screen or "No connection," check these local client fixes: TIA Portal: WinCC Unified Installation Problems (Fixed)
How to Fix WinCC Viewer RT Download and Connection Issues SIMATIC WinCC Viewer RT allows operators to view and control HMI screens remotely. However, setting up or downloading projects to the Viewer RT client often results in connection drops, missing file errors, or frozen screens. If the Viewer RT opens but fails to
Before diving into specific fixes, it helps to understand why the download process typically fails:
You might see errors about missing DLL files like mfc110.dll , MSVCR110.DLL , or WinCCViewer.dll . WinCC applications require these Microsoft Visual C++ libraries. Solution: Install the Microsoft Visual C++ Redistributable (2010/2012 x86). These installers are usually available from Microsoft. You can also try copying WinCCViewer.dll to the system directory ( C:\Windows\System32 ) or the application directory. Manual File Transfer (When Automated Download Fails) Run
Verify that the server and client times are synchronized. When to Contact Support
Uninstall the existing WinCC Viewer RT or WebNavigator client via the Windows Control Panel. Restart the client computer.