You may have ad / mal-ware. Further information can be found in the [[Troubleshoot Firefox issues caused by malware]] article. Run most or all of the listed malware scanners. Each works differently. If one program misses something, another may pick it up. ------------------------ https://www.bing.com/search?q=JS%2FRdir&pc=MOZI JS/Redir.BP - Virus Removal Guide JS/Redir.BP is a computer malware that when executed will execute a code to redirect your browser to specified web pages ---------------------- Once the problem is settled, Bookmark and use this; Download the '''[https://addons.mozilla.org/en-US/firefox/addon/searchreset/ Mozilla Search Reset]''' {web link} This add-on is very simple: on installation, it backs up and then resets your search preferences and home page to their default values, and then uninstalls itself. This affects the search bar, URL bar searches, and the home page.