When trying to deploy a package using SCCM, you get
The system cannot find the file specified
This is because the command to install the package is set to a location that the client computer cannot see. Either set the location to a file share, rather than a local path or better yet, run the following command:
msiexec.exe /q ALLUSERS=2 /i “name of application to install.msi”
Obviously, edit the name of the application to install.