Other PDF Issues

How to Fix Adobe Acrobat 9 Pro Crashing on Startup in Windows 7

Ayan MasoodAyan Masood Nov 3, 2026 869 views

Question details

The user is experiencing recurring application crashes when trying to open PDF files using an older version of Adobe Acrobat.

How to Fix Adobe Acrobat 9 Pro Crashing on Startup in Windows 7
Product
Adobe Acrobat 9 Pro
Device & OS
Windows 7
Scenario
Starting the Adobe Acrobat application or attempting to open any PDF document.
Observed behavior
The application immediately closes and triggers an APPCRASH error for Acrobat.exe, displaying exception code c0000374.
Before you start

Verify that you have administrative access to your Windows 7 computer and locate your original software installation media or license key before attempting any application repairs.

Solution 1Recommended

Update and Repair the Acrobat Installation

Installing the latest available patches for version 9 and running the built-in repair tool can fix corrupted files causing the c0000374 exception.

Exception code c0000374 generally points to a heap corruption issue. Running the internal repair utility can restore critical application files that have become corrupted or compromised.

1
Launch without a Document

Open Adobe Acrobat 9 Pro directly from the Start menu without double-clicking a PDF file, as this may allow the program to stay open long enough to perform maintenance.

2
Check for Updates

Navigate to 'Help' in the top menu bar and click 'Check for Updates'. Download and install any final patches released for version 9.

3
Run the Repair Tool

Go back to the 'Help' menu and select 'Repair Acrobat Installation'. Follow the on-screen wizard to verify and fix the software files.

4
Restart Your Computer

Once the repair and update processes are completely finished, restart your Windows 7 machine and attempt to open a PDF document again.

Update and Repair the Acrobat Installation
Software Obsolescence: Because Adobe Acrobat 9 is officially obsolete and unsupported, even a successful repair may not guarantee long-term stability on modern operating environments.
Reliable PDF Alternative

Open and Edit PDFs Seamlessly with WPS Office

Since Adobe Acrobat 9 is unsupported and prone to crashes, switching to WPS Office provides a stable, modern, and lightweight solution to view, edit, and manage all your PDF files without errors.

  1. 1. Download the Installer: Visit the official WPS website and download the free WPS Office installation file to your Windows PC.
  2. 2. Install the Software: Run the downloaded file and follow the quick on-screen instructions to complete the setup.
  3. 3. Set as Default PDF Reader: Right-click any PDF file, select 'Open with', choose WPS Office, and check the box to always use this application. Your PDFs will now open instantly.
Built-in modern PDF reader and editor that won't crash on document load.Fully compatible with standard PDF formats and Microsoft Office files.Lightweight software that runs smoothly on older operating systems like Windows 7.Free to download with a familiar UI and comprehensive document management tools.
microsoft office alternative - wps office

Frequently Asked Questions

Why does Adobe Acrobat 9 Pro show exception code c0000374?

Exception code c0000374 indicates a heap corruption issue within Windows. This occurs when an outdated application like Acrobat 9 has conflicting memory allocations, often triggered by corrupted application files, incompatible third-party plugins, or unsupported system updates.

Can I still get official support from Adobe for Acrobat 9?

No, Adobe Acrobat 9 is an obsolete software version and has reached its end-of-life. Adobe no longer provides security patches, bug fixes, or technical support for this version.

Will reinstalling the application permanently fix the startup crash?

Reinstalling might temporarily resolve the APPCRASH if the issue was caused by a missing or corrupted local file. However, because the software is highly outdated, inherent compatibility problems with Windows 7 could cause the crash to return over time.