Could not load auth ticket while starting Atlas Reactor

This error will occur every time you launch AtlasReactor.exe. In order to resolve this error, please launch GlyphClient.exe which can be found by default at C:\Program Files (x86)\Steam\SteamApps\common\Atlas Reactor.

Additionally, you can right click on the GlyphClient.exe and 'Run as Admin' to make sure the patch and game run with correct privileges.