I just answered another topic regarding this very same issue.
"ee stack install" is not working
This is happening because Google, I guess, changed the location for downloading files hosted on Google Code. Previously: http://phpmemcacheadmin.googlecode.com/files/phpMemcachedAdmin-1.2.2-r262.tar.gz Now: https://storage.googleapis.com/google-code-archive-downloads/v2/code.google.com/phpmemcacheadmin/phpMemcachedAdmin-1.2.2-r262.tar.gz We'll need someone from RTCamp to look at this issue (ping @rtpanel) in order to prepare an emergency release addressing this issue. Of course anyone co…