If there is a mandatory update all native wallet users must update their Komodo daemon. Follow the steps below:
1- Backup your wallet.dat and/or privatekeys (this is the most important step)
2- Download the latest wallet from https://komodoplatform.com/komodo-wallets/
3- Follow install instructions and select "Reinstall Current Version"
4- Once finished you can launch up the wallet and you are finished.
If you have problems after the install a resync might be necessary. Follow this guide to resync: Resync Instructions in case of Error