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.
(V5.6 SP1 HF5 or higher, or V5.7) is already installed on your system. Verify that you have administrative rights on the computer. Installation Sequence If you are also using S7 F Systems , you must install the S7 F ConfigurationPack first , followed by the S7 F-Device Integration Pack. PCS 7 V9.1.2 simatic-s7fprojx-v5-5-sp13-upd1.exe