Different error codes point to different root causes. Here is how to handle the most notorious Adobe OCR failures.
Change the Security Method to No Security , enter the permissions password, and save the file. Advanced Troubleshooting Workarounds
The OCR runs, but the generated text layer contains random symbols or incorrect characters. Step 1: Resolve Document and Image Issues
If Acrobat processes the document but outputs blank pages or weird symbols, it likely lacks the required font packages or language dictionaries. Open Acrobat and navigate to > Scan & OCR . Click Recognize Text > In This File . Click the Settings button. adobe acrobat dc ocr fix
Troubleshooting tips:
If the OCR results are poor or the tool won't run, try these standard technical fixes:
: The font in the scan might be too decorative or handwritten. Try writing in capital letters for handwritten notes to help the engine [12]. Re-Recognize Different error codes point to different root causes
If none of the steps above work, your Acrobat core registry entries are likely broken. A standard uninstallation will not fix this; you must perform a deep wipe.
You are scanning directly into Acrobat when you get an error like "Unsupported color format."
Optical Character Recognition (OCR) in Adobe Acrobat DC is a critical feature for turning scanned PDFs, paper documents, and images into fully searchable and editable text. However, users frequently encounter frustrating glitches where the OCR engine fails to start, freezes mid-process, throws error codes, or outputs completely garbled text. Advanced Troubleshooting Workarounds The OCR runs, but the
If the software is functioning but the OCR quality is poor or slow, your document settings require adjustment.
: If a page has multiple columns or overlapping images, try running OCR on a single page or section at a time to reduce errors. ⚠️ Troubleshooting "Garbled" Text
Acrobat will highlight suspect words in red. You can click on the highlighted area, see what Acrobat thinks it says, and type in the correct text manually.
Not all PDFs are created equal. If Acrobat OCR works perfectly on some files but crashes on others, the issue lies within the source file itself. Check Security Restrictions
| Tool | Best for | Fix approach | |------|----------|---------------| | | Multi-language, complex scripts | Run via command line or gImageReader, output PDF with text layer | | ABBYY FineReader | Degraded historical documents | Superior noise filtering and layout retention | | OCR.space API | Batch processing of failing files | Cloud-based, different engine than Adobe | | NAPS2 (free scanner software) | Re-scan + OCR before Acrobat | Use ClearScan-equivalent output |