"The operation can't be completed because you don't have permission to access some of the items." This is what I get when I try to copy a folder (album) with mp3s to my USB key. Why? I am the only user on this computer and thus the Admin. I've tried creating another account, but I get the same (!) msg there when I try to copy albums to my USB drive. I'm growing really concerned about this matter. I've repaired permissions several times and even ran "Maintenance" with OnyX, but to no avail. What the heck is all this about? Please, someone, help! It is really inconvenient.... P.S.: I'm on SL 10.6.2. Mod note: update after thread merge: Now this is getting extremely frustrating. It noticed it when not too long ago I tried to copy a music folder/album to my USB key and got the following error: "The operation can't be completed because you don't have permission to access some of the items." Interestingly enough, it worked if I copied mp3 by mp3, but when it came to copying the folder, I would get that error. I even tried deleting the mp3s from that folder and copying the empty folder, but still got this error. I tried creating a guest account and copying the same folder(s) from there, but still got the error. That's when I used terminal and enabled hidden files. It turned out that all problematic folders (the ones I couldn't copy to my USB/external HD) contained ._.DS_Store (Unix Executable File). WTF? I never had any problems copying/moving these folders back and forth to USB or external drives back in Leopard, but now in SL 10.6.2 all of a sudden this crap. It seems that I can get rid of the ._.DS file if I create a new folder and move the mp3s from the problematic folder to the new folder - that's when I will be able to copy the entire new folder without a problem. But here's the thing: only a portion of my 900+ music folders/albums contains this damn ._.DS file, which means I'd have to manually check each and every folder to eliminate the problematic ones?? What's more, today I even found the DS file in one of my DOCUMENTS folders!! Which makes me really anxious - how many more folders is there that contain DS file and will thus cause problems whenever I try to make a backup by transferring stuff to my external HD?? I spent almost 2hrs on the phone with an Apple Care technician the other day, resetting permissions and whatnot, but eventually we came to no solution. We suspected that it could have been about some copyright issues, but apparently NOT, since just today I discovered DS file in some of my documents folders! He said he'd contact Apple engineers about this matter, but who knows if they will know anything about this. I'm really getting desperate here. Does ANYONE have ANY idea what the hell is this crap?