Arrangements, and application protections at your organization, the update cannot be installed because there is a reboot pending due to a software or update installation. In the first place, when the prerequisite checker runs independently or as part of an update installation, the process updates some product source files that are used for site maintenance tasks.
There are few log files which you should review when troubleshooting software distribution issue, once you have the source files downloaded the next step is to deploy the software.
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