What does "validating install" mean when installing Acrobat updates?

Solution 1:

Validation in computing ensures that the data entered is sensible and reasonable.

Validation or data validation

means checking or verifying any data that comes into the computer. This process helps ensure the data has not been compromised or corrupted during transmission.

Performing data validation is important to ensure that incoming data is accurate, complete, and it has not been corrupted in any way.

(computerhope.com/jargon)

Solution 2:

Installation is the process of installing. The message should be “validating installation”. This tells the user that the software is checking that it is installing properly.

Adobe’s version of the message is merely a jargon extension of the meaning of a verb, using it as a noun. Install = installation.

The verb is

Install transitive verb:

to set up for use or service “had an exhaust fan installed in the kitchen” “install software”

intransitive verb

“to be set up for use or service : to undergo installation”

“The software installs automatically.” Merriam Webster

The same fate has recently befallen the verb build, where pretentious television presentation now talks of the build for the process of building.