Can't Copy and Paste Files in Finder on OS X Lion
Having a serious problem right now on OS X Lion. I can't copy and paste random files in my Finder. I can't paste within my internal drive, onto an external drive, to an SD card, and vice versa - I can't copy and paste from these devices onto my iMac.
If I'm trying to copy a folder of say 10 files and paste it from an SD card to my iMac, maybe 5, 6, or none at all will paste.
What's going on here?
iMac, Mac OS X (10.6.8), 27-inch, 3.4 GHz Intel Core i7