Follow these steps: #In Firefox, go to Options > Advanced. In the last section on that display, "System Defaults", un-check "Always check to see if Firefox is the default browser on startup". #*You will no longer get the question about making Firefox the default browser when you start Firefox. #Close Firefox (Firefox button > Exit '''''OR''''' File > Exit). #Open Internet Explorer, click Tools > Internet Options > Programs tab; under "Default web browser" section, click "Make default" and check the box "Tell me if Internet Explorer is not the default web browser". #*You will get a question about making IE the default when you start IE, if the default has been changed. '''If this reply solves your problem, please click "Solved It" next to this reply when <u>signed-in</u> to the forum.''' ------------------------- Not related to your question, but... You may need to update some plug-ins. Check your plug-ins and update as necessary: *Plug-in check: https://www-trunk.stage.mozilla.com/en-US/plugincheck/ *Adobe Shockwave for Director Netscape plug-in: [https://support.mozilla.com/en-US/kb/Using%20the%20Shockwave%20plugin%20with%20Firefox#w_installing-shockwave Installing ('''''or Updating''''') the Shockwave plugin with Firefox] *Adobe PDF Plug-In For Firefox and Netscape: [https://support.mozilla.com/en-US/kb/Using%20the%20Adobe%20Reader%20plugin%20with%20Firefox#w_installing-and-updating-adobe-reader Installing/Updating Adobe Reader in Firefox] *Shockwave Flash (Adobe Flash or Flash): [https://support.mozilla.com/en-US/kb/Managing%20the%20Flash%20plugin#w_updating-flash Updating Flash in Firefox] *Next Generation Java Plug-in for Mozilla browsers: [https://support.mozilla.com/en-US/kb/Using%20the%20Java%20plugin%20with%20Firefox#w_installing-or-updating-java Installing or Updating Java in Firefox]