I've had PSE 14 since June 2016 on my MacBook Air. Haven't had any problems until tonight. I just installed the latest OS (High Sierra) last night, and now PSE 14 isn't working correctly. I use it for digital scrapbooking, and the program won't let me drag .png files onto a .psd without freezer &/or crashing. Do I just need to upgrade to PSE 2018?
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