Cannot install: here is the message I get when I try to upload through WordPress site:
Unpacking the package…
Installing the plugin…
Could not create directory. /usr/www/users/allanhab/wp-content/plugins/quttera-web-malware-scanner/
Plugin install failed.
I spoke with my hosting company and they could install on a test wordpress site easily - my permissions are set correctly - they found no reason that it would not install. Is there any known conflicts with other plugins - deactivated a few but that did not work either.