Terminate Firefox from the "Processes" tab of the Windows Task Manager not the "Applications" tab. Then select firefox.exc and use the right-click context menu to "End Process" or use the "End Process" button on the selected process. See item #38 Closing Firefox Properly in *http://dmcritchie.mvps.org/firefox/firefox-problems.htm#close_firefox ---- The current Firefox is 7.0.1 you can check for update and later update, both from Help > About ---- Checking for Flash updates to see if you really are current * http://www.adobe.com/software/flash/about/ After the download, #bring up the download manager ("Ctrl+J") and start your installs. As soon as the install comes up, #close Firefox with File > Exit or "Firefox" button > Exit. Give Firefox some time to close and check that it finished via the Windows Task Manager -- if it is still running then terminate it by selecting the use "End Process" button or from context menu. #proceed with the install '''Warning''': this is the Adobe site and they have chosen to to provide crapware along with their own product. Only install the product you were planning to install. Do not install additional products: including -- "Free! McAfee Security Scan Plus" or "Google Chrome". Installing Google Chrome on your own and installing it because it is offered on the Adobe site are two different things. Find updates for your installed plugins at http://www.mozilla.com/plugincheck/ mozilla.com/plugincheck -- best to use Adobe's site to really see if their plug-ins are up to date.