I am trying to update adobe from version 20.013.20074 to 2021.001.20135. I have a Winodws 10 laptop that is airgapped.I download the WINDOWS 10 version of Adobe from the adobe web site and burn to CD. When i transfer the new version to the air gapped laptop and try to install it, i receive Error 1722: There is a problem with the Windows Installer package. A program run as part of the setup did not finish as expected. Contact your support personnel or package vendor. Action InstallWebResources, location...\RdrServicesUpdete...
I am able to successfully uninstall the older version of Adobe and re-install it. (20.013.20074)
General troubleshooting, Install update and subscribe to Acrobat