You should have administrative rights on your system to install and use Handy Recovery. The installation process takes a minute or so. Do not reboot your system after the installation. If you start the recovery process immediately, you have more chances to fully recover your files.
To uninstall Handy Recovery follow these steps:
Close the program window. On the Windows "Start" menu choose "SoftLogica" and select "Handy Recovery". Click "Uninstall Handy Recovery 3.0". The window of Uninstall Wizard will appear, now follow the instructions of the Wizard.
You can also perform uninstall operation through the "Settings" option on the Windows "Start" menu. Select "Control panel", choose "Add/Remove programs", find Handy Recovery 3.0 in the list of currently installed programs and click the "Add/Remove" button.