Clear the cache and the cookies from sites that cause problems. * "Clear the Cache": Tools > Options > Advanced > Network > Offline Storage (Cache): "Clear Now" * "Remove the Cookies" from sites causing problems: Tools > Options > Privacy > Cookies: "Show Cookies" If the Google (Firefox) or Yahoo! home page is in the wrong language then see: * Google: http://www.google.com/support/bin/answer.py?answer=873 * Yahoo!: http://help.yahoo.com/l/us/yahoo/homepage/homepage/basics/troubleshoot-02.html