problema con blowfish_secret de phpmyadmin:
http://www.forosdelweb.com/f54/problema-con-blowfish_secret-phpmyadmin-747081/

$cfg['TempDir'] es inaccesible.
https://caesar78.blogspot.com/2018/05/el-cfgtemp-dir-tmp-es-inaccesible-xampp.html

