Hey there!
I was trying to install Plesk on my Windows Server 2012 Standard, but it failed. It says:" Failed to install 'C:\ParallelsInstaller\parallels\PANEL-WIN_12.0.18\dist-msi-Microsoft-2003-i386\plesk-site.msi':" Error: The installation of the package 'plesk-site' failed with code 1603...