Fix sage 50 error system io fileloadexception

Toll Free: 800-942-0215

How to Fix Sage 50 Error "System.IO.FileLoadException": Causes and Solutions

When using Sage 50, an accounting software popular among small and medium-sized businesses, you might encounter the "System.IO.FileLoadException" error. This issue can hinder your workflow and may be daunting to resolve without a proper guide. Here, we’ll cover why this error occurs and provide step-by-step solutions to fix it efficiently.

Understanding the Sage 50 Error "System.IO.FileLoadException"

Definition of the Error

This error typically arises when the software attempts to load a file or an assembly but fails due to various reasons, such as compatibility issues or corrupted files.

Explanation of its Implications

The immediate consequence of encountering this error is disruption. It can prevent the software from launching or functioning correctly, affecting business operations.

Causes of Sage 50 Error "System.IO.FileLoadException"

Incompatibility between Different Versions

Reason #1: Often, this error occurs when there’s a mismatch between the versions of Sage 50 and Pervasive PSQL, the database engine Sage uses.

Improper Installation or Uninstallation of Pervasive PSQL

Reason #2: Faulty installation or incomplete uninstallation of Pervasive PSQL can leave behind corrupted files, leading to this error.

Other Potential Causes

Reason #3: Viruses, corrupted Windows registry from a recent Sage-related software change, or conflicts with other software could also trigger this error.

Solutions to Fix Sage 50 Error "System.IO.FileLoadException"

Method 1: Reinstalling the Correct Versions of Pervasive PSQL

Step 1: Uninstall the current version of Pervasive PSQL from your system through the Control Panel.
Step 2: Reboot your computer to ensure that all components are correctly reset.
Step 3: Download the correct version of Pervasive PSQL compatible with your Sage 50 version from the official website.
Step 4: Install Pervasive PSQL by following the on-screen instructions meticulously to avoid any potential errors.
Step 5: Once installed, restart your system and launch Sage 50 to check if the error has been resolved.

Method 2: Using Manual and Automatic Ways to Resolve the Issue

Substep for Manual Approach:

Step 1: Navigate to the Windows Registry Editor and cautiously delete keys associated with Sage 50 and Pervasive PSQL. (Note: Registry editing can be risky; back up the registry before making changes.)
Step 2: Manually check the installation folders of Sage 50 and Pervasive PSQL for any remaining files and delete them.

Substep for Automatic Approach:

Step 1: Use a reputable system cleaner or an optimization tool to scan for and rectify issues related to corrupted files, malware, and registry errors automatically.
Step 2: Ensure your Windows is up to date, as some updates might include fixes for compatibility issues with Sage 50 and its components.


How do I determine the correct version of Pervasive PSQL for my Sage 50?

Check the official Sage 50 documentation or the Sage website. They usually provide detailed tables or lists showing which versions of Pervasive PSQL are compatible with specific releases of Sage 50.

What should I do if I’m uncomfortable editing the Windows Registry?

If you’re not confident in editing the registry manually, it’s advisable to use an automatic system cleaner or optimization software. These tools are designed to safely address registry issues without the need for manual intervention.

Can antivirus software cause the "System.IO.FileLoadException" error?

In some cases, yes. Aggressive antivirus settings might block certain Sage 50 or Pervasive PSQL files, mistaking them for threats. Try temporarily disabling your antivirus and see if the issue resolves. Remember to enable it afterward.

Handling the "System.IO.FileLoadException" error requires patience and a methodical approach. By understanding its causes and systematically applying the solutions provided, you can restore Sage 50’s functionality and return to your business tasks with minimal disruption.

    Enquiry Form

    Get help with Sage Accounting Solutions

    • Assistance for Sage 50, Sage 100, Sage 300
    • Solutions to common Sage 50 errors.
    • Data recovery and data migration.
    sage 50 accounting services and solutions


    Toll Free: 800-942-0215