Hyper-V can't be set

Question

I am trying to set the hyper-v so I can use docker. I already turned the virtualisation on. My windows version is Windows 10 Pro. When I run the command DISM /Online /Enable-Feature /All /FeatureName:Microsoft-Hyper-V it raises the following error:
Erro: 14081

O conjunto referido não pôde ser encontrado.

O arquivo de log do DISM pode ser localizado em C:\Windows\Logs\DISM\dism.log

(it's in portugues). I already have done SFC scan, which returns that some files are corrupted but couldn't be fixed.