Powershell access issue when upgrading MobiControl from 2024.1.0 to 2025.0.0

Hello there, I'm trying to upgrade MobiControl from 2024.1.0 to 2025.0.0 and experiencing an issue at the end of the installer, at this step: "Upgrading Web Console: Finalizing" Error encountered: [2024-12-16 15:14:30.706] INFO [Install] (.NET TP Worker): Finalizing Installation[2024-12-16 15:14:30.811] INFO [BtnNext_ClickAsync] (1): Load Install failed window[2024-12-16 15:14:30.815] ERROR [BtnNext_ClickAsync] (1): Installation failed while installing - Web Console[2024-12-16 15:14:30.822] ERROR [BtnNext_ClickAsync] (1):  ****************************************************************************************************************************************************************************************************************************************************** Exception: Error occurred while executing: powershell. Exception message: An error occurred trying to start process 'powershell' with working directory 'C:\Users\xxxxxxx\AppData\Local\Temp\{BBD91520-FB19-4034-8475-60D59DBFDD5D}'. Acces refused. * Has a kind soul experienced this error and found a solution that could be shared with me please? Thanks! Best regards,