Replacing Invalid Security Id With Default Security Id

CHKDSK /F : Replacing invalid security id with default security id stops boot from second drive Error can be fixed this way: 1. right-click on My Documents - Properties - Security 2. click on Advanced button 3. click the Permissions Tab and a) verify your login is shown OR b) click ADD and insert your login and click CHECK NAMES (it must return your login or you&got a typo) 4. click EDIT and mark it for Full Control 5. Click the OWNER tab and select the ADMIN login you started with 6. [x] replace ownership and apply (Giving the Admin all your files) 7. click Apply Finish!