Apple forced an uninvited update. Now my Avid Sibelius 7 has no sounds. My mac is 10.12 working on Siera. I cant upgrade to Majave or go back to El Capitan. What next?
Apple forced an uninvited update. Now my Avid Sibelius 7 has no sounds. My mac is 10.12 working on Siera. I cant upgrade to Majave or go back to El Capitan. What next?