This file is a released by Adobe Systems. Its primary features and functions are:
As an .msp file, it acts as a "difference" file. It does not replace the entire software installation but rather modifies the existing installed files on the user's computer. This patch is cumulative, meaning it includes all previous bug fixes and security updates released for Adobe Acrobat 11.0, up to and including version 11.0.23.
If you have received or downloaded this file and are looking to apply the update:
: During manual runs, a "1328 error" may appear. Community consensus suggests that clicking "Ignore" typically allows the update to finish successfully.
After the update is applied, you might want to verify that the update was successful by checking the version of Adobe Acrobat.