How to delete unknown accounts in Win8

How to delete unknown accounts in Win8

In the win8 system, an unknown account appeared, which made operations on the computer very troublesome and restricted. This unknown account is, (s-1-5-21-2000478354-1390067357-725345543-1003), so how to delete this account? Let's take a look at it now!
 
The specific situations are as follows:

Solution:
 
Then I started searching the Internet .. This is a problem left over by the system account. just delete it.
Method 1: select a partition, right-click a partition, select Security, select Advanced, select the owner tag, select edit, and select administrators) and tick the following and click application. After the preceding steps, the owner of all files becomes the administrator.
Step 2: select the partition again, right-click the partition, select Security, select the Advanced button, select the permission tag, and click the change permission button below to check the bottom of the list, click application!
But there is no owner option in win8 !! What makes me feel!

You only have to find the method. I didn't expect that the unknown account would disappear:
Method 2: Right-click -- Property -- Security -- edit -- select account -- to completely control, modify, read and execute... -- Application -- OK, the account should disappear, and other functions will work properly !!!!

The two methods above can solve the problem of deleting this unknown account, but the first method does not have a selection project in the win8 system. Therefore, we recommend that you use the second method to delete accounts!