Some times you may not want others to plug in their virus infected flash drives on your computer, or for any other reason you don’t want to allows other to connect their portable drives and transfer the data through it. In such a case you can use the freeware software called USB Port Locked will help you lock all existing USB ports on your computer. This application is very useful if you want restrict the use of USB ports on your computer for security reasons.
This application is portable in nature, does not require any installation, you can directly run it through its execuatble. It occupies a very small size on your hard drive and uses very minimal CPU while running, and it runs on all the version of windows, we have just tested it in windows 7 32 bit ultimate edition.