Nov 12, · Toshiba is a popular brand among notebook owners and additional functions can be activated using Toshiba Flash Cards Support Utility. This application replaces the 4/5(38). Dec 11, · When trying to shutdown in windows 10 I get a message that the Toshiba flash card is preventing it from shutting down. I also get same message when I try to restart. It gives me option to force shutdown or go back and close the application, but I dont know what application its talking about. TOSHIBA Flash Cards Utility Resolution. Click the Start menu. Enter " Flash " into the search field. Click " Flash Cards " in the search results. Setting for Flash Cards will open. Make changes as desired and click " apply " to set or " Cancel " to exit without changing settings. Disable -.