Software Update reports...Your hard disk does not have enough space
<< Your hard disk does not have enough space-3 B is required to download and install the checked updates. Extra space is required for the optimization process. To free up space, remove files from your startup disk, then try again.>>
I've got 127GB free??!!
Mac mini, Mac OS X (10.6.7), Macbooks, MacBook Pros, iMacs