' Disc authentication failure' Problem
My Sims 3 game used to work fine, then suddenly it stopped working. Every time I go on the sims3launcher it comes up with 'disc authentication failure' and tells me to put the game in the disc drive ...
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I am having the same problem. My computer is a macbook, I own the sims 3 base game and late night EP in their original cds, I also have used custom content in my game
For Macs, this seems to be one of the ongoing issues. Some people have reported getting it because of custom download or even Store.
Try moving the folder DCCache in the user files (don't know where they are on a mac) to the desktop and start the game to see if it works. If it doesn't, put the folder back and report back. If it does you need to find out what content is causeing the conflict.
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Please accept a solution if your issue is solved. XP is also appreciated.
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