Hi there!

I am really sorry for the inconvenience this trouble is causing you,
I'd be more than willing to help here!
Please try the older wallet version: https://dopecoin.com/wp-content/wallets/DopeCoin-v4.0.0.5-win.zip and let me know if it works for you.
If not, please send me your Skype ID or any means to contact you directly so we can resolve this as soon as possible.

Thank you and have a great day!