Thank you very much for the quick reply, is very useful your hint!
I solved my issue, adding the following line in both inputs.conf in Windows and Microsoft_AD add-on.
[perfmon://CPU Load]
disabled = 1
index = perfmon
instances = *
object = Processor
useEnglishOnly = true
[perfmon://Memory Available]
disabled = 1
object = Memory
instances = *
useEnglishOnly = true
index = perfmon
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