The issue you are encountering with your WPF application and console application, utilizing servicehost with named pipe binding, on Windows 10 LTSB could be due to various factors. Windows 10 LTSB (Long-Term Servicing Branch) is a specialized version of Windows 10 meant for systems that require minimal update frequency and stability. Here are some steps you can take to troubleshoot and potentially resolve the problem: 1. Check Firewall Settings: - Ensure that the Windows Firewall is not blocking the communication between your applications. Add exceptions for both applications or disable the firewall temporarily to see if it resolves the issue. 2. Named Pipe Access: - Check the named pipe settings and permissions on Windows...