USB Drive suddenly doesn't work

Ok, so I plugged the WD USB drive into my computer and went through every folder and deleted all the .wd_tv folders. Then I plugged the drive back in to my WDTVLIVE box. A few minutes later, all the files popped back up and are working perfectly! Not sure if it’s because I deleted those folders or if I just wasn’t giving it enough time to read the drive. Maybe drives take longer to load with the new firmware, or maybe I just haven’t unplugged my hard drive in a long time and I’ve been filling up the space via network share.

I just tried this with the new 3TB drive, so I’ll try the same thing with the 1.5TB drive and see what happens.