Can't uninstall gmap

Working and testing lots of modules in D7. Tried to uninstall some and get WSOD after clicking on Gmap uninstall and therefore I cannot uninstall location module because it requires Gmap go first.

Running on MAMP stack here is phpMyAdmin info

MySQL

Server: Localhost via UNIX socket
Server version: 5.1.44
Protocol version: 10
User: root@localhost
MySQL charset: UTF-8 Unicode (utf8)
Web server

Apache/2.0.63 (Unix) PHP/5.3.2 DAV/2
MySQL client version: 5.1.44
PHP extension: mysql
phpMyAdmin

Version information: 3.2.5

This reporting page is not very helpful and requires me to make some choices I am not too sure about. As one simple example how do I know which version of 7 I am running without dropping all this and digging around.