Typical Sage 50 Errors and Troubleshooting Tips

Sage 50 is a powerful accounting software, but like any system, users may encounter errors. This guide covers the frequently encountered Sage 50 errors and provides detailed solutions to fix them.

1. Sage 50 Error 1402 - Installation Error

This error typically occurs during installation and relates to Windows registry permissions.

How to Fix:

Press Windows + R, type regedit, and press Enter

Navigate to: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData

Right-click the UserData folder and select Permissions

Add your user account with Full Control rights

Click Apply and OK

Restart your computer and retry the installation

2. Sage 50 Error 1603 - Fatal Error During Installation

This fatal error prevents Sage 50 from completing setup properly.

Solution:

Run the installer as Administrator

Temporarily disable your firewall

Ensure you have at least 4 GB of free disk space

Clean temporary files using Disk Cleanup

Download and install the latest Microsoft Visual C++ Redistributable

Try installing again

3. Sage 50 Error 1328 - Missing or Corrupted File

This error indicates a missing installation file.

Resolution:

Note which file is reported as missing

Completely uninstall Sage 50 using the Control Panel

Delete any remaining Sage 50 folders in Program Files

Download a fresh copy of the Sage 50 installer

Run the new installer as Administrator

4. Sage 50 Error 1719 - Windows Installer Service Error

This error relates to the Windows Installer service not running properly.

Resolution:

Press Windows + R, type services.msc, and press Enter

Locate the Windows Installer service

Right-click and select Properties

Set Startup type to Automatic

Click Start if the service isn't running

Click Apply and OK

Restart your computer

5. Sage 50 Error 1935 - Assembly Installation Failure

This issue occurs during installation of .NET Framework components.

Resolution:

Run Windows Update and install all available updates

Download and run the .NET Framework Repair Tool

Run the System File Checker (sfc /scannow)

Disable any third-party security software temporarily

Try installing Sage 50 again

6. Sage 50 Error 1904 - Registry Key Failure

This problem indicates permission issues with registry keys.

How to Fix:

Press Windows + R, type regedit, and press Enter

Navigate to the key mentioned in the error message

Right-click the key and select Permissions

Add your user account with Full Control

Click Apply and OK

Restart your computer and try again

7. Sage 50 Error 1311 - Source File Not Found

This error occurs when the installer can't locate required files.

Solution:

Check if your installation media is damaged

If using a CD/DVD, clean it or try copying files to your hard drive

For downloads, verify the download completed successfully

Redownload the installation files if necessary

Disable any download managers during the process

8. Sage 50 Error 1920 - Service Failed to Start

This problem indicates a service that Sage 50 support services 50 needs isn't running.

Resolution:

Press Windows + R, type services.msc, and press Enter

Locate the service mentioned in the error

Right-click and select Properties

Set Startup type to Automatic

Click Start to start the service

Click Apply and OK

9. Sage 50 Error 1304 - File Access Denied

This error occurs when the installer doesn't have permission to access files.

Resolution:

Run the installer as Administrator

Temporarily disable User Account Control (UAC)

Check if the file exists in the specified location

Take ownership of the file if necessary

Ensure no other programs are using the file

10. Sage 50 Error 1722 - Invalid Command Line

This error suggests issues with the installation command.

Solution:

Download a fresh copy of the installer

Ensure the installation path doesn't contain special characters

Try installing to the default location

Check for spaces in the installation path

Contact Sage support if the problem persists

Preventive Measures to Avoid Sage 50 Errors

To minimize Sage 50 errors:

Always run Sage 50 as Administrator

Keep your Windows operating system updated

Maintain adequate free disk space

Regularly back up your Sage 50 company files

Install Sage 50 updates when available

Use a reliable power source to prevent data corruption

When to Contact Sage Support

If you've tried all troubleshooting steps and the problem persists:

Note the exact error message and code

Record what you were doing when the error occurred

Document all troubleshooting steps you've tried

Contact Sage support with this information

Consider remote support options if available

Conclusion

While Sage 50 problems can be frustrating, most can be fixed with the right method. By following this guide, you should be able to resolve the most common Sage 50 issues and resume your accounting tasks quickly.

Remember to always create copies of your company files before attempting any significant modifications, and don't hesitate to reach out to professional help when needed.

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Pub: 25 Jun 2025 15:22 UTC
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