If you are trying to recover files from your main computer drive ( C: ), do not download the recovery software to that same drive.
Plug the flash drive into the target computer and run the tool from the USB. This mimics a "portable" application environment and protects your lost data from being overwritten. Download Glary File Recovery Pro Portable zip
Point the program at your local drive to search for deleted records. When you go to save the retrieved files, ensure you save them to your external USB drive rather than back onto your local PC. Glarysoft File Recovery Pro If you are trying to recover files from