Other PDF Issues

Fix Adobe Acrobat DC Crashing When Typing in Fill & Sign

Nimra MalikNimra Malik Oct 28, 2026 869 views

Question details

The user is experiencing application freezes or crashes when attempting to type text using the Fill & Sign tool in Adobe Acrobat DC.

How to Fix Adobe Acrobat DC Crashing When Typing in Fill & Sign
Product
Adobe Acrobat DC
Device & OS
Windows
Scenario
Attempting to fill out forms or add text to specific PDF documents using the Fill & Sign feature.
Observed behavior
Acrobat freezes or crashes immediately upon clicking the text tool and attempting to type, sometimes displaying a "memory could not be read" error.
Before you start

Ensure that your computer's operating system is fully updated, and save any currently open documents to prevent data loss if the application suddenly closes.

Solution 1Recommended

Update Adobe Acrobat DC to the Latest Version

Installing the latest software patches can resolve known bugs and memory errors related to the Fill & Sign text tool.

Software updates often contain fixes for specific crash scenarios, including text rendering bugs in the Fill & Sign module.

1
Open the Help menu

Launch Adobe Acrobat DC and navigate to the 'Help' tab in the top menu bar.

2
Check for updates

Click on 'Check for Updates' from the drop-down list. The application will connect to Adobe servers to find the latest patch.

3
Install and restart

Follow the on-screen prompts to download and install any available updates, then restart your computer before testing the Fill & Sign tool again.

Update Adobe Acrobat DC to the Latest Version
Update Alternatives: If you cannot update from within the app, you can manually download the latest patch from the official Adobe software and product updates page.
Efficient PDF Form Filler

Easily Fill and Sign PDFs with WPS PDF

If Adobe Acrobat continues to crash when you need to urgently fill out a form, you can seamlessly complete your documents using WPS PDF. It is a stable, lightweight alternative that handles PDF forms effortlessly without freezing.

  1. 1. Open your PDF: Launch WPS Office and open the PDF document you need to edit.
  2. 2. Access Fill & Sign: Navigate to the 'Fill & Sign' or 'Edit' tab located in the top ribbon.
  3. 3. Add your text: Select the 'Add Text' tool and click anywhere on the document to start typing smoothly.
  4. 4. Sign and save: Use the signature tool to securely sign your document, then save or export the finalized file.
Smoothly fill forms, add text, and insert signatures without application crashes.Fully compatible with all standard PDF formats and perfectly supports Microsoft Office Word, Excel, and PowerPoint file conversions.Lightweight installation that consumes fewer system resources than heavy PDF editors.Intuitive interface that makes editing and signing documents quick and easy.
microsoft office alternative - wps office

Frequently Asked Questions

Why does Adobe Acrobat DC crash only when I type text in Fill & Sign?

This specific crash often occurs due to font cache conflicts, outdated software rendering engines, or system memory access errors (like "memory could not be read") when initializing the text input field. Updating the software usually patches these conflicts.

Will reinstalling Acrobat completely fix the Fill & Sign crashing issue?

Sometimes, but not always. If the issue is tied to a specific corrupted PDF file or a deeper operating system compatibility bug (like missing critical Windows Updates), a simple reinstall may not prevent the crash from recurring.

How can I quickly fill a PDF if Acrobat refuses to work?

You can use alternative lightweight PDF editors like WPS Office, or rely on modern web browsers like Chrome and Edge, which have built-in PDF viewers with basic text input capabilities to help you complete urgent forms.

What does a "memory could not be read" error mean when editing PDFs?

This error typically indicates that the application attempted to access a portion of system memory that was restricted or invalid. In Acrobat, this often leads to an immediate freeze and is best resolved by installing the latest software updates for both Windows and Acrobat.