How to Fix Acrobat Color Scanning Error or Crash on macOS
Question details
The user needs to resolve an issue where scanning documents in color causes Adobe Acrobat to display errors or crash unexpectedly.
- Product
- Adobe Acrobat DC
- Device & OS
- macOS Mojave
- Scenario
- Attempting to scan physical documents in color directly into Adobe Acrobat using a connected scanner.
- Observed behavior
- When scanning in color, Acrobat throws a 'color mode not supported' error. Using custom image settings causes the application to quit, and Document color mode results in a scanner error, even though black-and-white scanning works perfectly.
Verify that your scanner is properly connected and that you can successfully scan in color using macOS's built-in Image Capture utility before troubleshooting Acrobat.
Update Adobe Acrobat to the Latest Version
Installing the latest software update can resolve known compatibility issues between Acrobat DC, macOS Mojave, and external scanner drivers.
Adobe frequently releases patches that address specific bugs related to hardware communication and application stability. Version 2019.010.20099 or later includes fixes for these scanning anomalies.
Launch Adobe Acrobat DC on your Mac.
Navigate to the top menu bar, click on 'Help', and select 'Check for Updates'.
Follow the on-screen prompts to download and install any available updates, then restart your Mac to apply the changes.
Repair the Acrobat Installation
Running a built-in repair process can restore corrupted core files that may be causing the scanning module to fail.
Temporarily Disable Protected View
Acrobat's strict security sandboxing can sometimes block communication with external scanner drivers, triggering a crash.
Use WPS Office to Seamlessly Create and Edit PDFs
If standalone PDF tools continue to crash during hardware scans, WPS Office offers a highly stable and lightweight alternative. You can easily import images scanned via macOS into WPS Office and instantly convert them into professional, high-quality PDFs without software conflicts.
- 1. Scan Your Document: Use the built-in macOS Image Capture app to scan your physical document in color and save it to your Mac as an image file.
- 2. Launch WPS Office: Open WPS Office and navigate to the 'PDF' tab from the main workspace interface.
- 3. Convert Image to PDF: Click on 'Picture to PDF', upload your newly scanned color images, and click 'Convert' to seamlessly generate your PDF.
Frequently Asked Questions
Why does Adobe Acrobat say 'color mode not supported' when I try to scan?
This error is typically caused by a miscommunication between the scanner's TWAIN/ICA driver and Acrobat's scanning interface, often triggered by outdated application versions or compatibility issues with specific macOS updates like Mojave.
Can I still scan documents to PDF on macOS without Acrobat?
Yes. You can use native macOS tools like 'Image Capture' or the 'Printers & Scanners' utility in System Preferences to scan documents. Once saved as images or basic PDFs, you can edit and manage them using alternative software like WPS Office.
What should I do if the 'Repair Installation' option is missing in my version of Acrobat for Mac?
While the repair option is standard on Windows, it may be hidden or unavailable on certain macOS deployments. If it is missing, your best option is to completely uninstall Acrobat using the Creative Cloud cleaner tool, restart your Mac, and perform a fresh installation.
Is it safe to keep Protected View turned off permanently?
No. Protected View is designed to open potentially unsafe files in a restricted sandbox environment to protect your system from malicious code. You should only disable it temporarily to troubleshoot hardware communication issues like scanner crashes.
