Check to make sure the hamachi interface metric didn’t get changed to automatic
http://help.logmein.com/pkb_mobile#/articles/en_US/FAQ/Why-does-my-internet-connection-fail-when-Hamachi-is-en1abled-en1
http://help.logmein.com/pkb_mobile#/articles/en_US/FAQ/Why-does-my-internet-connection-fail-when-Hamachi-is-en1abled-en1