Hi [NAME] welcome to this free user-to-user Alienware laptop discussion forum.  Please click on Product Support and allow Dell to ID your system, example Alienware x17 R2. Your opening post mentions G settings and mode, guess that system is G series, G Laptops (Inspirons) are not Alienware Laptops - Dell Community.   What does How do I check to see if my PC will run a specific game? - Dell Community say about running your unspecified game on your unspecified system?  Internet search "WoW://(0): invalid argument:WoW://" reveals Blizzard Support - Changing World of Warcraft DirectX Settings (battle.net), etc.  Please run windows Reliability Monitor and wait for event timeline to install. How to use Windows Reliability Monitor to identify software issues | Dell US. If windows operating system reliability is low (the blue line, value 1 to 10), please try to improve windows OS using my PowerShell process at Re: Alienware m17 R3. Screen flickering and occasionally going black whilst awake - Dell Community. 
actually the problem is this: allianware command center launches the game profile I created with G settings. It enters the launcher of the game itself without problems, but when I start the game, a very long error message appears and the G mode is turned off. here is what it gives me -commandline parse error: WoW://(0): invalid argument:WoW://
Alienware command center won't launch game