Fixing Sims 3 Update Error: I/O (rename)

If you’ve ever had the misfortune of running into the dreaded I/O operation failed (rename) and tried to google it, you’re probably only going to find people confusing it with the (attribute modified) error, and giving the solution for that one.  Or at least, that was my experience, and why I’m writing this.

This wonderfully vague error message simply means that one of the files that the installer attempted to patch was unable to be renamed. Apparently the installer makes a copy of the file it’s patching, deletes the original, and then renames that copy to the original file name. If it can’t delete the original, or simply can’t rename it – it will throw that error.

So…if you ever run across this error, make sure none of the game files are in use. Although your Anti-Virus may be the culprit (especially if it’s doing a scan), it can also extend to other things, such as say – having one of the game files open in an editor

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