Steps to reproduce:

1. Windows non english locale(russian in my case)
2. Zabbix Agent 2 ver 5.2.5
3. Zabbix Server 5.2.5
4. Default Template(5.2.5): Windows by Zabbix agent active
5. Default agent config
6. Default item: system.cpu.util

Result:

[Cpu] cannot add performance counter for total CPU utilization: Указанные объекты не найдены на этом компьютере.

system.cpu.util returned always 0%
See log file - zabbix_agent2.log

Expected:
Normal working check in non english windows.

(in Zabbix Agent1(5.2.5) all working.

A colleague from the telegram chat Zabbix Russian Community (Alexander Khatsayuk) reproduced the problem and looked at the source code - the system counters are requested in English.

At the same time, there is no problem on the agent of the first version.