How to Fix Windows Installer Error 2503
Windows Installer error 2503 can stop a program from installing. It may happen when Windows cannot access the installer or a temporary folder.
Try running the installer as an administrator
Open Command Prompt as an administrator and choose Yes if Windows asks for permission. Enter this command, replacing the example path with the location of your MSI file:
msiexec /i "C:\Path\To\Your\Installer.msi"