For some reasons or issues, people sometimes wants to disable or turn off program's auto updater. In the case of Adobe softwares, or more specifically Adobe Reader, these are the steps to turn off the auto update.
1. Open the application (Adobe Reader). Click Help on the Menu bar, and select "Check for Updates..."
The software will then try to check for an update, and a progress bar is shown.
2. After checking for updates, it shoud come up with another window in which you should click on the link: "Preferences"
3. Uncheck the Option of "Automatically check for Adobe updates" on the Adobe Updater Preferences window, and click "OK"