Guide to fixing: The CAS System was unable to initialize: ClientHandler: initialization error: failed to create storage component. in Validated Tutorials Posted July 29, 2018 On 24.07.2018 г. at 0:49 PM, madsrm said: If you're having issues with the "Failed fetching the CDN configuration file" try this: Download the following files:https://cdn.discordapp.com/attachments/456860411682095124/457547475969114132/config.rarhttps://cdn.discordapp.com/attachments/376808947992100867/463974179642015744/FS735.wtf Extract the config.rar to Data folder and copy FS735.wtf to WTF folder after that remove the read only from the world of warcraft folder and execute either Firestorm-64.exe as admin or Firestorm Launcher as admin Worked for me thanks!
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Worked for me thanks!