On updating the protections in Endpoint Protection error 2124 occurs.
The update file has been downloaded but the MD5 does not coincide with the one specified in the catalog. This means the file is corrupt and cannot be used and so must be downloaded again.
Data needed to report the incident
If the issue is not solved, it is then necessary to collect a series of data from the computer. Please, read How to report problems from the Endpoint Protection console and follow the instructions indicated.