To delete undelatable files in win 7
- Click on Start
- Type CMD in the Search box
- Right-click on CMD and choose Run as Administrator
- Leave the Command Prompt window open, but proceed to close all other open programs
- Right click on the Task bar and click on Task Manager
- Click on the Processes tab, click on the process named Explorer.exe and click on End Process.
- Minimize Task Manager but leave it open
- Go back to the Command Prompt window and change to the directory where the file is located. To do this, use the CD command. You can follow the example below.