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The current MechWarrior Online Patcher will be phased out in the coming months as we transition to a brand-new MWO Portal application. The Portal can do everything the current Patcher can do, with the added bonus of greater stability and support for launching all MechWarrior Online game releases, such as the primary MWO client, our Public Test, and our special Tournament build.
Switching to the MWO Portal is easy! All you need to do is install the application (available at https://mwomercs.com/game/download) and simply use the new Portal to run the game instead. There's no need to uninstall or modify your existing MechWarrior Online installation; your pre-existing install should work fine.
When this Patcher is phased out it will no longer function; at that time you will be required to use the new MWO Portal in order to update and run MechWarrior Online. At this point we're asking you to transition to the new Portal as early as possible, in the off chance that you experience any issues with the Portal.
Since when did this become a thing? I don't recall seeing any official announcement about it.
Edited by TELEFORCE, 26 May 2017 - 04:26 AM.