Some users reported that Mac wallet didn`t work due to missing dependencies on their systems.
We posted new version of mac wallet on our website:
https://www.emc2.foundation/wallets/If you still have issues or need any help feel free to contact us.
EMC2 Dev Team,
Hello dev team,
I reinstalled my computer but I forget to backup my wallet, how to take back my coins, now i only know old wallet address. Please help me !!!
Thanks,
It is not a very good idea not to backup, even multiple times, one owns wallets. Usually there are only two ways to learn this basic concept of cryptos: the soft and pleasant theoretical approach and the hard and painful practical approach. I am afraid you have just chosen the second one.