here is the description for the old version of the software, but it does not match the newer one. https://support.eset.pl/kb2220/?locale=pl_PL&viewlocale=pl_PL
When downloading updates from the proxy server downloads files, only at the 1.9 update stage a message is displayed about: Update modules failed, the file is damaged. How to fix it ? Delete update files on the server by ERA to download new files?