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How to Fix Diablo Error 80000003

"Diablo" is a computer game that can be used on the Windows 7 operating system. If you are getting the "80000003 error" when installing the game on your system, you can remedy the error by installing the newest version of the Windows Installer. The "80000003 error" is called an "AppDomain.UnhandledException Event." This means that the files on the Diablo install DVD are newer than your installer. Installing the new installer will fix this error and allow you to install the game on your system.

Instructions

- 1
  Load your web browser.
- 2
  Go to the "Windows Installer" website.
- 3
  Click on the "Download" option from the menu to download the Windows Installer 4.5 software.
- 4
  Wait for the installer to download to your computer. This should take about five minutes on a high-speed Internet connection.
- 5
  Double-click on the installer to launch the installation software. Click "I Accept" to accept the user agreement.
- 6
  Click "Install" and wait for the installer to install on your computer. This should take about five minutes to complete. Click "Finish" when prompted to complete the installation.
- 7
  Insert your "Diablo" installation DVD into your computer's optical drive and install the software without the error.

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