How to Fix Acrobat Pro Freezing or Spinning Pinwheel on Mac
Question details
The user needs to troubleshoot and fix Adobe Acrobat Pro freezing, becoming unresponsive, or displaying a spinning pinwheel on a Mac device.

- Product
- Adobe Acrobat Pro
- Device & OS
- macOS (Mojave/Catalina)
- Scenario
- Using Adobe Acrobat Pro to view, edit, or process PDF files on a Mac.
- Observed behavior
- The application freezes, becomes completely unresponsive, or shows a spinning wait cursor (pinwheel) continuously, even after reinstalls and updates.
Ensure you have saved any open documents in other applications to prevent data loss in case a hard restart of your Mac becomes necessary during troubleshooting.
Update Adobe Acrobat and macOS
Installing the latest software updates often resolves compatibility issues and known bugs that cause applications to freeze.
Software conflicts between older versions of Acrobat and newer macOS updates (or vice versa) are a common cause of unresponsiveness. Keeping both up to date ensures you have the latest performance patches.
Open Adobe Acrobat Pro. Click the 'Help' menu in the top menu bar, and select 'Check for Updates'. Follow the on-screen prompts to install any available patches.
Click the Apple menu in the top left corner of your screen, go to 'System Preferences', and click on 'Software Update'. If an update (like macOS Catalina) is available, click 'Update Now'.
Reset Adobe Acrobat Preferences
Corrupted preference files can cause unexpected application freezes and spinning pinwheels.
Test with a New Mac User Profile
Creating a new user account helps determine if the freezing issue is caused by background processes or settings specific to your current profile.
Use WPS Office as a Fast, Lightweight PDF Reader and Editor
Tired of heavy applications freezing on your Mac? WPS Office offers a built-in, lightning-fast PDF editor alongside its comprehensive suite of Word, Excel, and PowerPoint alternatives. It is fully compatible with standard PDF files and Microsoft Office formats, providing a smooth, crash-free experience on macOS.
- 1. Download WPS Office: Visit the official WPS website to download the free, lightweight Mac version of WPS Office.
- 2. Open Your PDF Seamlessly: Launch the application and drag your PDF file directly into the workspace for instant, freeze-free viewing and editing.
- 3. Set as Default: Right-click any PDF file, select 'Get Info', and set WPS Office as your default PDF application.

Frequently Asked Questions
Why does Adobe Acrobat Pro keep showing a spinning pinwheel on my Mac?
A spinning pinwheel indicates that the application is stuck processing a task. In Acrobat Pro, this can be caused by corrupted preference files, outdated software, conflicting background Mac processes, or attempting to load exceptionally large or complex PDF files.
How do I force quit a frozen Acrobat Pro on macOS?
Press the Command + Option + Esc keys simultaneously to open the Force Quit Applications window. Select Adobe Acrobat Pro from the list of open apps and click the 'Force Quit' button.
Will reinstalling Adobe Acrobat fix the freezing issue?
Reinstalling can help if core application files are missing or corrupted. However, if the issue stems from leftover preference files or macOS incompatibility, simply reinstalling won't fix it. You must also clear the Library preferences and ensure your macOS version is updated.
Can a specific PDF file cause Acrobat to freeze?
Yes. If a PDF contains complex vector graphics, heavy interactive forms, or corrupted data elements, it may overwhelm the application and cause Acrobat to freeze. Try opening a different, simpler PDF to see if the issue is file-specific.




