Patch 5.0.5 Troubleshooting Steps & Solutions

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Blizzard Employee
Greetings,

This thread will contain basic solutions as well as solutions to known issues. If we don’t yet have a solution for the issue you are reported, we recommend trying the basic steps first. If you continue receiving an error, open a new thread and let us know the exact error you are experiencing and what steps you have tried.

Basic Solutions
  • Delete your Battle.net folders
  • Run as administrator
  • Enable secondary logon
  • Background applications
  • Temporarily disable security software
  • Disable or Uninstall any third-party addon installers

Known Issues
  • Where’s the new 64-bit client?
  • Installation stuck at 0 %
  • An unexpected decryption error occurred
  • The folder you selected cannot be used. Please select a different folder
  • Failed to open a required file. Please check your internet connection and try again. Error Code: BLZPTS0000F
  • Failed to download information about the next patch. Check your network connection.
  • Stuck at updating-setup-files
  • This application has encountered a critical error:
    Error #134 (0x85100086) Fatal Conditiom
  • Error code BLZPTS00007


http://us.battle.net/support/en/article/world-of-warcraft-optimization-issues-patch-504
Edited by Roraks on 9/12/2012 1:21 PM PDT
Blizzard Employee
Basic Troubleshooting Steps

Delete your Battle.net folders

Try deleting the Battle.net folders.

  • C:\ProgramData\Battle.net\Agent
  • C:\ProgramData\Battle.net\Client
  • C:\ProgramData\Battle.net\Setup

**Note** you will need to enable hidden files and folders on your system in order to see the Program Data folder.

Run as administrator

Make sure you are logged on an administrator account on your computer when installing or patching the game. If the game is not installed using an administrator account, computer permissions can prevent the installation or patch from completing.

Note: We cannot support the game on a non-administrator account.

When running the installer or patch, we recommend opening using the ‘Run as administrator’ feature.
  • Right-Click the World of Warcraf Launcher icon and select “Run as Administrator”.


Secondary Logon

The Secondary Logon service must be enabled for our games to install and run. You can find out how to check if secondary logon is enabled by following the instructions found here.

Background Applications

The other programs running on your computer could be interfering with the patch installation. We recommended running in Selective Startup mode when attempting to install or patch, since background applications can interfere significantly with these operations.

You can find more information and detailed instructions for this mode on the Closing Background Applications page.

Security Software

Security software (Norton, McAfee, ZoneAlarm) is designed to protect your computer from perceived threats. Unfortunately, many security programs are not game-friendly and will frequently perceive a game installation or update as a threat and shut it down.

Disabling or temporarily uninstalling these programs will often permit the patch installation to complete successfully. However, be advised that some security programs will continue to partially run even when they are disabled.

If you are not comfortable modifying your security software settings, we recommend contacting the software publisher for assistance.

Disable or uninstall any third-party addon installers

Third party addon installers can prevent the patching/optimization process from accessing, modifying and deleting certain files. Please disable or uninstall any third party addon installers (Examples: CurseClient & WoWMatrix).
Edited by Roraks on 8/31/2012 4:15 PM PDT
Blizzard Employee
Known issues

Where’s the new 64-bit client?

The 64-bit client is included with patch 5.0.4. The game will detect if you are on a 64-bit system and launch the 64-bit version of the game automatically.

Installation stuck at 0 %

Please allow 10-15 minutes for the game optimization and patch download to begin. If you are still stuck at 0%, verify that your security software is allowing the download or try temporarily disabling all security software.

Additionally, you may want try deleting the Battle.net folders.
  • C:\ProgramData\Battle.net\Agent
  • C:\ProgramData\Battle.net\Client
  • C:\ProgramData\Battle.net\Setup

**Note** you will need to enable hidden files and folders on your system in order to see the Program Data folder.

An unexpected decryption error occurred

This error generally indicates that one or more patch files are incomplete or damage. If restarting the game client does not fix the issue, you will need to delete and redownload the patch data.

Open your main World of Warcraft folder and delete the following folders:

  • C:\Program Files (x86)\World of Warcraft \Temp
  • C:\Program Files (x86)\World of Warcraft \TempMig
  • C:\Program Files (x86)\World of Warcraft \Updates


The folder you selected cannot be used. Please select a different folder.

This error generally occurs when the game is installed on a hard drive using the drive letters A:\ or B:\. Try changing the drive letter to any other letter D – Z.

Failed to open a required file. Please check your internet connection and try again. Error Code: BLZPTS0000F / Failed to download information about the next patch. Check your network connection.

This error can occur when your connection to the patch server is being blocked. Try temporarily disabling all your internet security software and then try again. If you are using a wireless connection or connected via a router, try connecting directly to your modem.

Stuck at updating-setup-files

The Secondary Logon service must be enabled for our games to install and run. You can find out how to check if secondary logon is enabled by following the instructions found here.

This application has encountered a critical error:
Error #134 (0x85100086) Fatal Condition


If you are receiving this error, make sure you have proper permissions to write to your hard drive. If you are using Windows Vista/7 launch the game using the run as administrator option.

Error code BLZPTS00007
If you are receiving this error please try closing the agent.exe program in your task manager. Then try deleting the Battle.net Cache Folder.

Also make sure that you are right clicking and selecting the 'run as administrator' option when launching the game.

Some players have reported that uninstalling the MoP Beta client has also resolved this issue.
Edited by Roraks on 8/31/2012 4:14 PM PDT
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