Before you upgrade standalone corona on Redhat Enterprise Linux or CentOS, make sure no scans are in process and close all the browsers that are running Embold.
- Run the installer. (refer installation steps).
- During installation, select “Reinstall / Update Corona”.
- Once upgraded logout and login from the system.
![](https://docs.embold.io/wp-content/uploads/2019/11/Screenshot-2019-11-28-at-11.54.02-AM.png)