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So I have been dealing with the freeze of optifine and searched for solutions this couple of days and I finaly found the solution to the problem!
The problem is the "smooth fps" you need to turn off that on the performance tab in video setting to prevent your minecraft from freezing.
I have found this solution in this website "https://github.com/sp614x/optifine/issues/547"
If this fixes your minecraft you are welcome
Wow. So far this is actually helping. I've always had it on, so I wonder why its only causing a problem now?
IT WORKS! THANK YOU SO MUCH!!!!!!!!!!!!