|Is the size (or maximize) button between minimize and close greyed out? That would indicate that chrome is locked up. |
Kill the process by doing a Ctrl + Alt + Del on keyboard, selecting 'Task Manager', and going to the 'Process' tab. From there you can right click on Chrome.exe and 'End Task'
From there you can try resetting chrome like mentioned above and/or reinstall it.
Then install the latest versions of java (www.java.com) & flash (http://get.adobe.com/flashplayer/)
Test out Chrome, and see how it functions.