The diablo 3 code 63 error is a bug that occurs when the game is unable to connect to the server. This can happen for a number of reasons, such as the server being down or the game files being corrupt.
Other common searches for this error include:
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1. Update your graphics driver
- Go to the Nvidia website and download the latest driver for your specific graphics card.
- Install the driver.
- If you are using Windows 7 or 8, open the Control Panel and click on the Device Manager.
- In the Device Manager, under Display adapters, right-click on the graphics card that you are using and select Update Driver.
- Browse to the location of the driver that you downloaded and select the file.
- Click Next and let the driver install.
- After the driver has installed, restart your computer.
- If you are using Windows 10, open the Settings app and click on System.
- Under Display, click on Advanced settings.
- In the Display settings window, click on the Driver tab.
- In the Driver category, click on Update Driver.
- In the Driver Update Wizard, select the latest driver from the list and click Next.
- Follow the on-screen instructions to finish the update.
- If you are still experiencing code 63 problems, please try reinstalling the graphics driver.
2. Update your Windows
- Open Windows Update by clicking on the Start button, typing “windows update”, and pressing Enter.
- Click on the “Update and Security” heading.
- On the left hand side, click on “See all updates”.
- On the right hand side, under “Available updates”, click on “Install updates”.
- Click on the “Install updates” button.
- Click on the “Browse my computer for updates” button.
- Double-click on the “diablo III” entry.
- Click on the “Check for updates” button.
- If there are any updates available, click on the “Update” button.
- Click on the “Finish” button.
- Restart your computer.
3. Update your Diablo 3
- Click the "Battle.net" button in the top left corner
- On the "Battle.net" page, click "Account" in the top right corner
- On the "Account" page, click "Profile" in the top left corner
- On the "Profile" page, click the "Battle.net" tab
- On the "Battle.net" tab, click "Update Profile"
- On the "Update Profile" page, click "Diablo III" in the top right corner
- On the "Diablo III" page, click "Diablo III: Main" in the top left corner
- On the "Diablo III: Main" page, click "Check for Update" in the top right corner
- If an update is available, it will be downloaded and installed
- When the update is complete, click "Finish" in the top right corner
4. Re-install your Diablo 3
- Quit Diablo 3 if you are currently playing it.
- Go to your Diablo 3 installation directory. By default this is C:\Program Files (x86)\Diablo III\
- Change into the Diablo III installation directory.
- Run the Diablo III installer. This can be found at C:\Program Files (x86)\Diablo III\Diablo III.exe
- Follow the on-screen instructions.
- When the Diablo III installation is complete, you will be asked to restart your computer. Do so.
- When your computer has restarted, launch Diablo III. You will be prompted to enter your login information. Do so.
- Once you have logged in, you will be prompted to choose a character. Do so.
- When you have chosen a character, the game will start.
5. Delete the Diablo 3 folder in your "Documents" folder
- Locate the "Documents" folder in your computer.
- Inside the "Documents" folder, find the "Diablo III" folder.
- Right-click on the "Diablo III" folder and select "Delete."
- Confirm the deletion by clicking on "Yes" in the dialog box that appears.
Some users might also have success with the following opitons:
- Run Diablo 3 as an administrator
- Add Diablo 3 to your Windows Firewall exceptions list