KAV installation fails with error "There is not enough space on the disk..."

Problem:

KAV installation fails with the following errors:

There is not enough space on the disk. : Script error. util.extractFiles@extract

OR 

There is not enough space on the disk.. : Script error. util.downloadFiles@downloadFileUsingPeerToPeer

Cause:

The drive that is assigned to the temp path in environment variables doesn't have enough space to download/unpack the KAV installers on the machine.

Resolution:

Free up some space on the machine or change the temp path to a different directory in environment variables.

https://www.computerhope.com/issues/ch000549.htm