All (Ctrl+Alt+Del) Permanently deleted files Recovery solution :-

Software called "Kissass Undelete" , can bring those files from the hard disk or your flash drive.

Conditions : Only if the data on that drive is not re-occupied(or written). that means the space which was available after the
deletion is not been occupied after the deletion.

download it from net.

1)To start searching for the files,
Select the drive from the Left panel of the Windows and Click the scan button. the Scan might take upto 10 secs.

2) When the files search has been
completed, it will show you the results with the name, typ, size and the last modified date of the searched file.

3) Now you can select the file to be
recover. This is an Open source
application and available for All Windows OS(Windows XP/Vista/ 7).