Installation plug in error

Hi all... in my new website (local server), when i try to install visual composer, slider revolution.... not fine.

this is error i see during installation: 

Installing Plugin: Visual Composer

Scaricando pacchetto di installazione da http://api.muffingroup.com/plugins/download.php?code=b843e85c-8dff-48af1c4ca4fc&plugin=js_composer

Scompattamento del pacchetto…

Il pacchetto non può essere installato. PCLZIP_ERR_BAD_FORMAT (-10) : Unable to find End of Central Dir Record signature


Can you help me?

Tnx

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