Please see the links below to upgrade your wallet from DNotes v2.0.0 to DNotes v2.0.1.
Update details: Reduce the number of CRISP transactions per block and completely remove the transaction input limits.
This release will be incompatible with the 2.0.0 Release after 04/30/2018 8pm EDT. If you are still running the old wallet by then and staking you may create an orphan fork.
Release:
https://github.com/DNotesCoin/DNotes2.0/releases
Source:
https://github.com/DNotesCoin/DNotes2.0
Windows:
https://github.com/DNotesCoin/DNotes2.0/releases/download/v2.0.1.0/dnotes-qt.exe
Mac:
https://github.com/DNotesCoin/DNotes2.0/releases/download/v2.0.1.0/dnotes-qt.app.zip
If you have the previous version of the wallet, you can simply replace it with the new version from the download links above.