Some scripts require specific firmware on the IPROG itself.
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If you are experiencing issues downloading or installing scripts for your (such as port errors or missing files), use the following troubleshooting guide and standard installation text to resolve the problem. Common Fixes for Script Download & Installation
Before downloading new scripts, identify if your issue is a script problem or a hardware/driver conflict: Iprog + newbie - CarTechnoloGY
Use WinRAR or 7-Zip to extract the downloaded scripts directly into the software root directory.