Most of these are towers we don't have in our proxy list anymore. Some are still there in the list. Why would this fail for a valid tower?
ERR | Thread 00917C68 | Failed to verify Authentication key with the tower 184.150.236.58:443. Status Code : 0, Error Code : 0
These appear every so often
ERR | Thread 00987658 | Connection : GetHashSHA256 error 5
Same with these.
ERR | Thread 0091C560 | TUpdater : Unable to get the Towers XML : 1000
