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How to fix Diablo 3 error 1016?

Alton Alexander
By Alton AlexanderUpdated on June 4th, 2022

The Diablo 3 error code 1016 fix is a code that is associated with the game Diablo 3. This code happens when the game is unable to connect to the Blizzard servers. There can be a number of reasons why this error code occurs, but the most common reason is that the game is not able to connect to the server due to a firewall or proxy issue.

Users typically search for a solution by asking about:

  • diablo 3 error code 1016 fix
  • diablo 3 error 1016 fix

1. Check for updates and install any that are available

  1. Launch Diablo III and sign in.
  2. Click the "Help" button in the main menu.
  3. Click the "Diablo III" tab.
  4. Click the "Updates" button.
  5. Click the "Check for Updates" button.
  6. If any updates are available, they will be displayed.
  7. Click the "Install Updates" button.
  8. Diablo III will be restarted to complete the updates.

2. Run a virus scan

  1. Go to the "Diablo III" launcher and click on "Settings".
  2. Click on "Check for Updates".
  3. If there are any updates, install them.
  4. Click on "Scan".
  5. Select the "Scan Now" option.
  6. Click on the "Start Scan" button.
  7. Wait for the scan to complete.
  8. If there are any errors, click on the "Fix Errors" button.
  9. Click on the "Close" button.

3. Delete the Diablo 3 folder and reinstall the game

  1. Locate the Diablo 3 installation directory on your computer. This is typically located at C:\Program Files (x86)\Diablo III\
  2. Delete the Diablo 3 folder.
  3. Reinstall the game by downloading the Diablo III installer from the Blizzard website and installing it to the same location as the deleted Diablo 3 folder.

4. Run the game as an administrator

  1. Open Windows Explorer and navigate to the Diablo III folder.
  2. Right-click on the Diablo III executable file (Diablo III.exe) and select Run as administrator.
  3. In the Administrator Mode window that appears, click on the Continue button.
  4. Click on the Install button.
  5. Click on the Run button.
  6. If the installation is successful, you will see a message stating “Diablo III has been installed successfully.”
  7. If the installation is not successful, you will see a message stating “Diablo III cannot be installed because it is missing required files.”
  8. To fix the error, you will need to install the missing files. To do this, click on the Repair button and follow the on-screen instructions.

5. Disable any security software that may be blocking the game

  1. If you are using a firewall, disable it.
  2. If you are using anti-virus software, disable it.
  3. If you are using anti-spyware software, disable it.
  4. If you are using a security software that monitors your computer for malware, disable it.
  5. Turn off all virus scanning and anti-spyware software.
  6. Reboot your computer.
  7. Launch Diablo III.
  8. If you are experiencing an error message, click on the "Diablo III" icon in the start menu and then click on "Diablo III Options."
  9. In the "Diablo III Options" window, click on the "Interface" tab.
  10. In the "Interface" tab, click on the "Disable all security software" button.
  11. Click on the "OK" button.
  12. If you are still experiencing an error message, try to disable the security software one step at a time and then try to launch Diablo III.

6. Reset the game to its default settings

  1. In Diablo III, open the launcher and click on "Options."
  2. Click on the "Gameplay" tab and make sure that the "Reset Game" button is unchecked.
  3. Click on the "Save" button and close the launcher.
  4. Start Diablo III and click on the "Play" button.
  5. Enter your CD key and click on the "Start" button.
  6. Click on the "Options" button and make sure that the "Reset Game" button is unchecked.
  7. Click on the "Save" button and close the launcher.
  8. Start Diablo III and click on the "Play" button.
  9. Enter your CD key and click on the "Start" button.
  10. The game will start from the beginning.

Some users might also have success with the following opitons:

  1. Delete the Battle.net folder and reinstall the game
  2. Contact Blizzard customer support