Troubleshoot Acrobat Reader download and installation on Mac OS

Windows users: If you are on a Windows computer, see Troubleshoot Adobe Reader installation | Windows.

System requirements for Reader on Mac OS

Make sure that your system meets the minimum system requirements for Reader.

Troubleshoot download problems

If one of the following errors occurs when you try to connect to or download from the Adobe website, work through the tasks below. 

  • Nothing happens.
  • A file stops downloading prematurely.
  • Any of the following errors occur:
    "The server returned extended information."
    "Connection failure has interrupted the download. Check your Internet settings and click Retry."
    "Cannot connect to server, server cannot be found."

1. Try to download Adobe Reader again.

Try to download Adobe Reader again by clicking the Download button.

2. Make sure that your Internet connection is stable.

An unstable Internet connection can prevent you from downloading from other websites. Try downloading a file from another website, such as,, or If the problem persists, contact your network administrator, help desk resource, or Internet service provider (ISP). See Resolve an unstable Internet connection to the Adobe website or FTP site for details.

After you establish a stable Internet connection, try to download the file again. If the original attempt to download the file was interrupted, restart the download process within the web browser you were using.

3. Download when there is less activity on the Internet.

A high volume of activity can interfere with an Internet connection. For best results, try to download files when there is less activity (for example, late in the evening, early in the morning, or on weekends).

5. Make sure that JavaScript is enabled in your browser.

The JavaScript option is a preference setting in your browser. Follow the instructions below for your browser.

Apple Safari

  1. Open the Safari preferences (choose Safari > Preferences).

  2. Click the Security tab.

  3. Make sure that Enable JavaScript is selected.

    Make sure that Enable JavaScript is selected in the Safari Security Preferences tab.

  4. Go to the Reader download page, and try downloading Reader again.

    For step-by-step instructions, see Install Adobe Acrobat Reader | Mac OS.

Mozilla Firefox

JavaScript is enabled by default in Firefox and requires no additional installation. For more information, see the Mozilla Support page JavaScript settings and preferences for interactive web pages.

Google Chrome

  1. Open the Chrome preferences (choose Chrome > Preferences).

  2. Click Show advanced settings at the bottom of the page.

  3. Under Privacy, click Content settings.

  4. Make sure that Allow all sites to run JavaScript is selected, and then click OK.

  5. Go to the Reader download page, and try downloading Reader again.

    For step-by-step instructions, see Install Adobe Acrobat Reader | Mac OS.

In case you are prompted to enter user name and password, enter your macOS user name and password.
If you do not remember your password, refer the Apple document:

Still need help?

Visit the forums. See if other users are experiencing similar download and installation problems by visiting the Reader user-to-user forum. Try posting your problem on the forums for interactive troubleshooting. When posting on forums, include your operating system and your product's version number.   


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