PURPOSE Closing a frozen application can restore control without restarting the entire computer. FIRST TRY Wait briefly, then try closing the application normally. FORCE CLOSE Use the operating system's task manager or force quit tool to close the unresponsive application. AFTER CLOSING Reopen the application and check whether unsaved work was recovered. IF IT KEEPS HAPPENING Restart the computer and report the issue with the application name, time, file involved, and what you were doing.