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Error 26352 may occur if Axxon PSIM is being installed on an operating system with applied information security policies. This error code means that the problem is related to installing driver signature certificates. These certificates are valid for one year. If the OS security settings do not allow to install drivers with expired certificates and the certificates themselves, the installation is interrupted with an error.
To solve this problem, please download a newer Axxon PSIM distribution kit. It is available on the web-site https://www.axxonsoft.com/resources/downloads/intellect.php or or by request to the technical support at https://support.axxonsoft.com.