Portuguese language has some special characters (ç, á, é, ó, ã, etc...). If the alarm has a custom message configured in Portuguese language, you can see it being displayed with strange characters:
Release : 9.2.0
Component : UIM LOGMON
The solution consists on 2 steps:
1- In the primary hub, using IM console, right click on alarm_enrichment probe, then click on "edit" option.
In the "arguments" section, remove any reference to UTF-8 (if available), and ensure that only the following argument still remains:
2- In the logmon setup screen, at "general" tab, configure the output encoding to "ISO-8859-1":
After doing that, you should see the Portuguese characters being displayed correctly in the alarms.