The error code 300016 is a Diablo 3 error code that is caused by a server issue. This error code can be caused by a number of things, but most commonly it is caused by the game servers being down or experiencing high levels of traffic.
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- diablo error code 300016
- diablo 3 code 300016
1. Check for updates and install the latest patch
- Open the Blizzard Battle.net app.
- Click on the Diablo III icon.
- Click on the "Check for Updates" button.
- Click on the "Install Patch" button.
- Wait for the installation to finish.
- Click on the "Play" button to start the game.
2. Run the game in compatibility mode
- Launch the game in compatibility mode.
- If Diablo III crashes during the game, try reinstalling the game.
- If Diablo III runs slowly or erratically in compatibility mode, try adjusting the game's graphics settings.
- If the game still crashes or runs slowly in compatibility mode, try upgrading your graphics card.
3. Verify the game files
- Go to the Diablo III folder on your computer
- Right-click on the Diablo III.exe file and select Properties
- Select the "Compatibility" tab
- Click on the "Verify" button
- Click on the "MPQ file" button
- Click on the "Data" button
- Click on the "Cache" button
- Check the "All files" box and click on the "Verify" button
- Check the "File Size" box and click on the "Verify" button
- Click on the "OK" button
4. Delete the Diablo 3 folder in the Documents folder
- Click on the Windows Start button and type in "cmd" into the search bar. When the Command Prompt window opens, type in the following command: del C:\Diablo3
- If you are prompted to confirm the deletion, type in "yes" and hit enter.
- Once the Diablo 3 folder has been successfully deleted, close the Command Prompt window.
Some users might also have success with the following opitons:
- Delete the Battle.net folder.
- Reinstall the game.
- Run the game as an administrator.
- Temporarily disable antivirus and firewall software.
- Reset the game settings.
- Contact Blizzard customer support.