Win7 System Unknown Account deletion method

Sometimes the user files/folders under the system are accessed through other systems because we have multiple systems installed. It causes us to see an unknown account in the Security tab item when we view the file or folder properties. Of course, the removal method is also very simple, the following small series for you to introduce the WIN7 system unknown account deletion method.

1. First, click on the Security tab page edit, click to select Unknown account, and then click Delete;

2. If the unknown account gives permission to the previous folder, click Delete to see the following prompts:

3. Then you need to go to the previous level of the folder properties to perform the deletion of the unknown account steps above, the completion of the security label can be seen in the unknown account has disappeared.