security id

Forum discussion tagged with security id.
  1. M

    [SOLVED] Chkdsk "Replacing invalid security id...", but now lots of files are 0 length!

    I have a Western Digital 1TB external HDD. While doing some very simple "housekeeping" I've decided to run a chkdsk (on Windows 10 x64). Well... I shouldn't have done that! Now I'm on a mess with lots of files. First, chkdsk reported that the drive had filesystem errors. Without continuing...