How to Fix Acrobat Reader Freezes or Stops Responding on Mac
Question details
The user needs to resolve an issue where their PDF reading software becomes completely unresponsive during basic operations like opening or closing files.

- Product
- Adobe Acrobat Reader
- Device & OS
- macOS
- Scenario
- Opening or closing PDF documents on a Mac computer.
- Observed behavior
- The application freezes, hangs, or stops responding entirely.
Ensure your Mac is connected to the internet to download necessary application updates, and safely close other running programs in case you need to restart your system.
Update Acrobat Reader to the Latest Version
Outdated software builds are a primary cause of freezing issues. Updating ensures you have the latest performance patches and bug fixes.
Software developers frequently release updates to fix known bugs, including hanging or freezing issues on specific operating systems like macOS. Ensure you are running version 20.009.20065 or newer.
Launch the Adobe Acrobat Reader application on your Mac, even if you do not open a specific PDF file.
Navigate to the top macOS menu bar, click on 'Help', and select 'Check for Updates' from the dropdown list.
Follow the on-screen prompts to download and install the available updates. Once the installation is complete, restart the application.

Test with a New macOS User Profile
If updating the application does not work, the freezing issue might be caused by corrupted preferences or settings in your specific macOS user profile.
Use WPS Office as a Stable PDF Reader for Mac
If your current PDF reader continues to freeze, you can seamlessly open, read, and edit your files using the built-in WPS PDF tool on your Mac. WPS Office provides a lightweight, highly stable alternative that avoids frustrating system crashes.
- 1. Download the App: Visit the official WPS Office website and download the free macOS installation package.
- 2. Install on Mac: Open the downloaded file and drag the WPS Office icon into your Applications folder.
- 3. Set as Default PDF Reader: Right-click on any PDF file, select 'Get Info', change the 'Open with' option to WPS Office, and click 'Change All'.
- 4. Open PDFs Smoothly: Double-click your PDF document to open it instantly without lagging or freezing in WPS PDF.

Frequently Asked Questions
Why does my PDF reader keep freezing on Mac?
Freezes are typically caused by an outdated application version, a damaged software installation, or conflicting system settings within your specific macOS user profile.
How do I force quit a frozen application on Mac?
You can force quit an unresponsive application by pressing Command + Option + Esc on your keyboard, selecting the frozen app from the list, and clicking the 'Force Quit' button.
Will reinstalling the software fix the freezing issue?
Yes, if the freezing is caused by corrupted program files or a damaged installation, completely uninstalling the app and then downloading a fresh installer from the official website often resolves the problem.
Are there lightweight alternatives to read PDFs on Mac?
Absolutely. You can use Mac's built-in Preview app or download a free, comprehensive office suite like WPS Office to view, annotate, and manage your PDFs smoothly.




