The consumer version installer of Adobe Reader is not compatible with the enterprise version installer, and the two were unable to interact with each other without resulting in an error code of 1638. In order to make our package as resilient, error-free, easy-to-use and configurable as possible, as well as complying with Adobe's best-practice, we have included the enterprise (.msi) installer. The enterprise version allows for multiple configurations prior to deployment, and also supports the Adobe Customization Wizard tool. It is possible to update the enterprise version through the ARM service, but some enterprises report errors installing it. is meant to be updated through incremental updates (.msp packages) deployed through whichever tool the enterprise uses for deploying updates (WSUS/SCCM/etc.). msi installed version, which is intended for enterprises: does not allow for configuration prior to installation. It is possible to update the consumer version through incremental updates (.msp packages) but errors might occur. is meant to be updated through the Adobe Update Service known as ARM. exe installed version, which is intended for consumers: The enterprise version will refer to the. In this solution, we will refer to them as the consumer version and the enterprise version.

Error 1638 in windowsupdate.log and in secuniapackage.logĪdobe Reader comes in two versions.

The update package loops in Windows Update.

Adobe Reader is not updated to the latest secure version.

When an Adobe Reader update package is deployed the installation fails.

By selecting the plug-in and clicking on 'Always Active', you have enabled your plug-in.When deploying an update package for Adobe Reader the package fails to install with error code 1638.

'Never Active': This option ensures that your plug-ins are never active when you open PDF on the browser. 'Ask to Activate': This command will cause Adobe to ask you if you want to use the plug-ins whenever you open a PDF file.

'Always Active': Ensures that your plugin to open your Adobe reader is always active. Next to the 'Plug-ins' tab is a list of actions you can choose from.How to add Adobe Acrobat Plugin on FireFox. You will likely need to use another browser to activate your Adobe plug-ins instead. In September 2015 the NPAPI plug in support was discontinued. Unfortunately, Adobe Acrobat and Chrome are no longer compatible. How to add Acrobat Reader chrome extension. See the full comparison of PDFelement vs Acrobat >

Adobe acrobat installer