Use wamp to test all new installs. I am running community builder.

JInstaller::install: SQL Error. DB function failed with error number 1005
Can't create table '.\template\jos_mm_groups.frm' (errno: 150) SQL=CREATE TABLE IF NOT EXISTS jos_mm_groups ( id INT(11) NOT NULL auto_increment, name VARCHAR(255), description TEXT, all_site_members TINYINT(1) DEFAULT 0, PRIMARY KEY (id), FOREIGN KEY (id) REFERENCES jos_mm_group_access(groupId) ON DELETE CASCADE, FOREIGN KEY (id) REFERENCES jos_mm_group_members(groupId) ON DELETE CASCADE );