Make sure the Mac is fully up to date.
For the Laguage problem, do a spotlight search for Language and Region, see which Language Hamachi is being installed in. Uninstal that Language from the Mac ( the minus sign), and then reinstal Hamachi.
Make sure the Mac is fully up to date.
For the Laguage problem, do a spotlight search for Language and Region, see which Language Hamachi is being installed in. Uninstal that Language from the Mac ( the minus sign), and then reinstal Hamachi.