Files corrupted when copying to external HDD
Hi!
I noticed that copying files to my external HDD corrupts a lot of files. The files are OK when are stored on My MacBook Pro's internal HDD, but copying them to an external HDD corrupts them. Only the external HDD files are corrupted, the internal HDD files remain intact. It's not my external HDD's issue, because copying the files from my BootCamp partition works. I also tried copying files in different file systems (my HDD is formatted in NTFS and I'm using Paragon's latest driver) and different drives (a pen-drive formated in FAT32, another smaller HDD...) and the same issue happens. I check my files with .md5 checksums.Strangely, this issue only happens with .dmg and .zip files (I noticed because they can't be opened) What can I do? Thanks!!
MacBook Pro, OS X Mountain Lion (10.8.4)