If you are running Windows Vista or 7, you can bypass going to the Run command and type in CMD in the Search box. Step 2 – Download the latest sentinel HASP command line drivers from the following link: The file name is Sentinel_HASP_Run-time_ cmd_line.zip (9.61 MB) Step 3 – Extract the contents inside the *.zip file to a folder (Example C:\Key) Step 4 – Click on the Windows “Start” menu, navigate to Run, and type in CMD. It can be uninstalled from “ADD/REMOVE Programs” in the Windows Control Panel. Solution: Complete the following steps: Step 1 – Remove the USB key from the computer and uninstall any previous MemoHASP drivers. If you have an Aladdin MemoHASP hardware key and PTW refuses to start or the hardware key light continues to blink, you must manually install the drivers from the command prompt.