Roku error code 003 is an error code that occurs due to a software update. In the Roku error code 003, the Roku player stopped working.
There are a set of errors that occur in Roku like Roku error code 009 etc. As we all know Roku stream videos online due to which the device software needs to have the updated version. The Roku error code 003 occurs due to the software update.
The Roku device constantly keeps looking for the update which is a normal process. The update and installation process takes place even when the device is in use. It does not interrupt the TV screen as the process goes in the backend.