blog title: RSCAD Download & Installation Fix: Solving the 5 Most Common Errors

Target Audience: RTDS Simulator users (students, researchers, engineers) Reading time: 4 minutes

RSCAD will refuse to launch and run simulations if it cannot successfully map out the connected physical RTDS hardware. This map relies on two core documents: the config_file and the hubConfig file.

2.1 The "Login Failed" Error on RTDS Customer Portal

Symptoms: You enter your credentials, but the portal redirects to a blank page or says "Access Denied."

Fix #4: The "Compiler Not Found" (When building cases)

The Problem: You downloaded RSCAD, but it cannot compile your circuit into machine code. The Cause: RSCAD is a GUI front-end; it needs a specific Intel Fortran Compiler (ifort) or GCC backend. The Fix:

Body: We are aware that some users were experiencing intermittent connectivity issues when attempting to download the latest RSCAD builds. Good news—the fix is now live!