I'm running into the same issue on Windows 11. I have no problem copying for the first 20 minutes to an hour of using SAS. After that, SAS will freeze for up to 30 seconds when copying code. SAS will go completely unresponsive when trying to copy about 1/5 of the time, which is so unbelievably frustrating. I'm the only SAS user in my research group, with everyone else using STATA. I'm very comfortable with SAS and enjoy using it when it works correctly. I find it ridiculous that this thread started in 2022 and the issue persists. Overall, the copying issue is really testing my patience and making me consider making a switch. That being said, I've found that copying in SAS works much better if I empty my clipboard each time before copying something new. The program will still freeze for about 1-5 seconds, but usually pulls through. I do this by pressing windows key+v and clicking "clear all" in the right hand corner. I couldn't see where another commentor suggested the same approach; apologies if this redundant advice.
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