Install USB Mass Storage Device Drivers In case the USB Mass Storage drivers won’t be installed, Windows will prompt you to install the driver. In such a situation, Windows will launch Hardware Update Wizard. If you have USB Mass storage drivers, you can install it and restart the computer, it should work. If not, you can download the USB Mass Storage drivers here. Download and unzip the driver files on your desktop to solve pen drive blocked error . i) In hardware update wizard, Select the option to install the driver from a specific location and click next. ii) Now on this screen, click Browse and choose the path on which you have unzipped the drivers and press OK for problem removing pen drive . Note: Windows may give you a warning that the drivers has not passed Windows logo testing, so stop installation or Continue anyway, Select Continue anyway to complete installation. Now restart your computer and re-insert your pen drive, it should now work. ...