Personally we'd recommend waiting for things to be ironed out at Blizzard's end - they're aware of the problem, and actively working to solve it! We've also seen a mixed reaction this workaround, with some saying it works a charm, and others saying the problem persists. However, this would likely cause an XML syntax error (malformed) so there may be. If it doesn't, we'd recommend undoing the above steps and waiting for an official fix to be applied to the launcher or the game by Blizzard. Theres a quote missing after name in Hit the big blue Done button in the bottom right to save the settings.

Enter the following into the new box that appears: -uid wow_engb.

Scroll down to WOW and check the box called 'Additional command line arguments'.

Make sure World of Warcraft is selected, then go to Options in the main window and select Game Settings.

With that caveat out of the way, and if you really can't wait to log in for a moment longer, here's one reputed method for fixing the CAS System initialisation error: CAS System error workaround It goes without saying, then, that you undertake this fix at your own risk, and you may prefer to wait for Blizzard to resolve the problem themselves. This will open an new Explorer window with the World of Warcraft installation folder open.

While there is a community-sourced workaround available for solving this problem - and it appears to have fixed the problem for many, many people - Blizzard does not endorse changing the command line in this way. Another way to locate your World of Warcraft installation folder is to right click on the World of Warcraft icon you use to start World of Warcraft and goto 'Properties' then in the new window that opens click 'Open File Location' or 'Find Target.'. Wow.exe is located in a subfolder of 'C:Program Files (x86)' (for. Description: Wow.exe is not essential for Windows and will often cause problems. The process known as World of Warcraft Retail or World of Warcraft belongs to software World of Warcraft or World of Warcraft Classic by Blizzard Entertainment (). It seems that a problem that cropped up a few years ago has reared it's head once again in the new Legion expansion, and it's keeping many a player locked out of the game today. Wow.exe file information Wow.exe process in Windows Task Manager.

You're struggling to get into World of Warcraft at the moment due to an error message beginning “The CAS System was unable to initialize”, then you're not alone.

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