If you need a ready-to-publish , admin guide excerpt , or troubleshooting steps for this update, let me know.
Right-click the .exe → Run as Administrator . A WinRAR self-extractor dialog will appear (Siemens packages often use this). simatic-s7fprojx-v5-5-sp13-upd1.exe
Industrial software often utilizes deep system hooks, driver installations, and digital certificates that personal antivirus software (like Windows Defender, Norton, etc.) sometimes misinterprets as "suspicious behavior" or "PUP" (Potentially Unwanted Program). Additionally, because this software is older (V5.5 is legacy), the digital signature might be expired, which can trigger security warnings. If you need a ready-to-publish , admin guide