The launcher crash when i open it and throw a window that says "Error 210 PatchManifestError_Downloadfail" with this: "Unable to download patch manifest" and stuff about contacting support.
Usually this is a generic connection issue. Here are some basic steps you can try. If this doesn't address the issue, please submit a ticket to customer support with a game consultant so that they can take a look at your connection results and any programs that are common to game interference.