We believe we've found (and fixed) the root cause of the game download issue. We have identified the mechanism that was causing corrupt files to be stored in our Content Delivery Network (CDN). That *should* mean that this problem is resolved. We're keeping an eye on it, but we think we're in the clear. Some of the edge servers for our CDN may have their own unique errors—we’ll only be able to fix those after we learn about them.
For most players, there is no action to take for this to work—next time you open the launcher and start downloading files, it should work.
For some players who modified their hosts file to work around the problem, our fix will have made it impossible to log in. This should only apply to players who specifically opened and modified their %windir%\system32\drivers\etc\hosts file (so if that sounds unfamiliar to you, you probably didn't do it). If you did modify your hosts file, you'll need to undo that change in order to continue logging in and playing...
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