When you start the catalog installation you get Error 2753. The file 'dsa.exe' is not marked for installation.
This error can appear if you tried installing an older disc set when a more current version was already installed.
- Press OK on the message and wait for the installer to close down.
- Delete the DSA folder on the computer. This is located at C:\Program Files (x86)\2020\DSA
- Restart the installation