Paste the program in the USB drive and install it, if you received an error message This application only runs on a SanDisk flash drive well its fake. If you already reformatted your USB, you can download a copy from Sandisk Official Site at kb./app/answers/detail/a_id/2399/~/sandisk-secureaccess-3.0-support-information-and-download-page To check if the Sandisk USB is authentic is very easy, every Sandisk USB has a built-in Storage Security Program called SanDisk Secure Access this program is strictly for SanDisk USB only and cannot be installed to other usb – so if your USB don’t have this program, your Sandisk USB is probably a fake one. If you happen to purchase a Sandisk in Lazada Marketplace, you might check your USB if it’s authentic or not – there are some seller’s in Lazada selling fake USB most of this USB are the Sandisk OTG 16GB, 32GB, 64GB, they are sold for a very cheap price and made in low quality materials.