Problems With Windows Server 2008 64Bits

[sbedoya]

Hello,
I want to monitorize a server 2008 x64, i installed the agent 1.8 without a problems, but when i started the service, gove this error.

2760:20100201:112024.809 zabbix_agentd listener started
2888:20100201:112024.824 zabbix_agentd collector started
2804:20100201:112024.824 zabbix_agentd listener started
3864:20100201:112024.824 zabbix_agentd listener started
1760:20100201:112024.824 zabbix_agentd listener started
1132:20100201:112024.824 zabbix_agentd listener started
2888:20100201:112024.824 In init_cpu_collector()
2888:20100201:112024.824 In GetCounterName() pdhIndex:238
2888:20100201:112025.230 In GetCounterName() pdhIndex:6
2888:20100201:112025.246 In GetCounterName() pdhIndex:2
2888:20100201:112025.246 PdhLookupPerfNameByIndex failed: No se puede crear un archivo que ya existe.
2888:20100201:112025.246 In GetCounterName() pdhIndex:44
2888:20100201:112025.262 PdhLookupPerfNameByIndex failed: No se puede crear un archivo que ya existe.
2888:20100201:112025.262 Unable to add performance counter to query: El objeto especificado no se encontró en el equipo.
2888:20100201:112025.262 In close_cpu_collector()

Any idea?¿

Thanks,
Santi