Issue when uploading to Steam - Security Code

Development Modding ARK: Survival Evolved
2

I am uncertain if it will work but you could navigate to /ARKDevKit/ModTools/SteamCMD/ and run the steamcmd.exe file.
Then type in

.
You should get a response asking for a Guard key. Maybe it will work then.

  • To be on the safe side, exit your normal SteamClient before.