I went on the Adobe forum lots of people reporting same error. They recommended going back to 1.7! Also said to temporarily turn off firewall when you download. I did that but got the same error as before. Adobe is on my list of allowed programs as is Google install.
I know you have to uninstall if you are going to a totally new version - for instance to 3.0. However not sure if you have to do the same if you are in the same version "family." If anyone know definitively Please let me know!
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