Diablo 3 an unexpected error occurred while updating required files
0# Diablo 3 Known Errors and Issues You can track of other known errors and issues with This Thread.
1# ATI 1.24 Catalyst Visual Effects Fix Download and install the latest Catalyst 12.4a driver hotfix if you experience any graphics issues with your ATI card.2# Can’t Launch Diablo 3?
After that, kill the agent process using task manager and run Diablo 3 Setup.27# Display Drivers Have Stopped Responding Update your graphics card drivers and operating system.28# Blackscreen with Sound in the Background At login screen, in the options menu, lower the resolution and try again.
Or you can try setting the game to use windowed mode instead of full screen.
Make sure Windows Service for Secondary Logon is enabled. To check, open Control Panel Services and scroll down to the Secondary Logon service. Restart Diablo 3 downloader and let it finish; it should start installer itself.10# Unexpected Decryption Error This means installation files are corrupted.
Re-download the game and let the launcher install it.11# Diablo 3 Error 3003If you can’t get the game to switch to your location automatically when you log in, just manually enter your location.12# Diablo 3 Error 3004Restart the game.13# Diablo 3 Error 37It happens when there are too many players trying to log-in; more players than Blizzard servers can handle at time.
You can do this by editing the My Documents\Diablo III\D3file.
To fix it, restart the downloader and scan for the missing files, let the downloader start the installer itself.5# Can’t Start Diablo 3 Setup – Nothing Happens Executing Diablo 3 exe does nothing? Any other setting is ok.6# Diablo 3 Freezes ‘Hangs’ During Updating Setup Files Make sure Windows Service for Secondary Logon is enabled.7# Diablo 3 Crashes – Overlay Programs, Third Party Apps If you running any of these programs, you are likely to experience random crashes: Update these programs or close them before launching the game.8# How To Remove Beta Files Use Uninstall function of Windows to remove the beta files and after that delete the ‘Diablo 3 Beta’ folder completely.9# Tome Error If you receive this error while installation, there is probably something wrong with the installation files.If that doesn’t help, start from Step 1.34# Requires a New Operating System?This error occurs when launcher, agent and setup applications are running on different compatibility modes. 14# Error 12If you attempt to log into another region outside of your home region, you will receive an Error 12 message. If you are receiving it while attempting to log-in to your home region, wait as Blizzard tries to fix it.15# Error 108Similar to “An unexpected decryption error occurred”, the error 108 can be caused by corrupted installation files.Do not close the downloader early, let it finish and start installer itself.Follow the instructions in #30 and see if that helps.32# How To Run Diablo 3 On Un-supported Graphics Cards Follow the instructions here.33# Error: File “C:\Program Files (x86)\Diablo III\Updates\d3-0-9558-Win-final.MPQ” Corrupt You can skip Step 1-3, delete the file and run the launcher.Blizzard is working to resolve it as quickly as possible.There is no ETA.19# Error 3004, 3006, 3007, or 300008Try these suggestions to resolve these error codes:20# Error 315300If you have typed correct account info, make sure there are no additional spaces that were added before or after your email address.To fix this issue, run the downloader again and point it to the same saved location so that it may scan and download the missing files.16# Error 0You will receive this error when the service is undergoing maintenance, so try again later.17# Error 37Server is at full capacity.Launch days are going to be hectic for Diablo fans; only solution to this error is ‘try again later’.18# Error 24000You may run into this error while attempting to run the game after logging in.