Unable to install a plugin form dashboard

I'm unable to install a plugin form dashboard or download it (to install my self)
From the dash i get this error:
Downloading install package from https://premium.wpmudev.org/wdp-un.php?action=install&key=3e524ae6a524074b232845106de279e3c1070904&pid=247…

Unpacking the package…

The package could not be installed. PCLZIP_ERR_BAD_FORMAT (-10) : Unable to find End of Central Dir Record signature