Press Windows Key + R (Windows) or open Finder and press Cmd + Shift + G (Mac).

Adobe does not feature a direct "Repair" button on Mac. Instead, go to Help > Check for Updates , as applying the latest patch usually overwrites corrupted application structures. 3. Advanced Settings Modifications

. Lower resolutions often result in pixelated text that the engine cannot read [14]. Straighten the Scan

Press Ctrl + D (Windows) or Cmd + D (Mac) to open . Click the Security tab.

Sometimes, an old, corrupted OCR layer is stored in the PDF. You cannot see it, but Acrobat refuses to overwrite it.

Set the printer destination to Adobe PDF or Microsoft Print to PDF .

Restart your computer to clear clogged system memory.

If a scanned document has an excessively high resolution (e.g., blueprints scanned at 1200 DPI), Acrobat’s OCR engine will run out of system memory and crash. Go to the menu and select Optimize PDF . Click Advanced Optimization .

If basic troubleshooting fails, the problem usually stems from incorrect configuration settings inside the Acrobat Preferences menu or document-specific limitations. Change the OCR Engine Settings

Acrobat DC offers different output formats for text recognition. Switching formats can bypass local rendering errors.

The OCR runs, but the generated text layer contains random symbols or incorrect characters. Step 1: Resolve Document and Image Issues