The installer keeps asking you to restart your computer, no matter how many times you do it. This is usually due to a failed prerequisite or a pending file operation in the Windows Registry. Solution: Open regedit and navigate to Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager . If you see a value named PendingFileRenameOperations , delete it.
Create a new for "Ports" and add 80, 443, 8000, and 8001. Repeat this process for Outbound Rules .
: C:\Users\ \AppData\LocalLow\Siemens\SIMATIC.WinCC\WebNavigator\Client\WinCCViewerRT.xml . wincc viewer rt download fix
Ensure all screens are marked as in the WinCC Explorer properties before publishing. Still stuck? WinCCViewer RT - SiePortal - Siemens
: This often points to a corrupted user profile or missing Windows components like SIMATIC NET Black Background/Missing Symbols The installer keeps asking you to restart your
Ensure the user is added to the "Administrators" group on the local machine. 2. Clear AppData/LocalLow and Registry Entries
: Ensure ASP.NET 4.5 (or higher) and Internet Information Services (IIS) are enabled in "Turn Windows features on or off". If you see a value named PendingFileRenameOperations ,
When stops working, the issue is often tied to corrupted configuration files, user permissions, or network settings. Use the following steps to resolve these common bottlenecks. 1. Clear the Configuration Cache
). This forces the Viewer to open its configuration dialog so you can re-enter server settings. Run as Administrator : Some connection issues are user-specific; running the WinCCViewerRT.exe administrator often resolves permissions-related blocks. Siemens SiePortal 3. Check Network and Security Wincc Proffesional error downloading ES to OS - SiePortal
: Standard HTTP/HTTPS for WebNavigator initialization.