Isearch.nation.com is a new browser hijacker. Basically, it is the same as avg.nation.com or simply search.nation.com. Nothing substantial has been introduced by this new hijacker, which obviously can set itself as a home page of your browser and its search engine. However, keep in mind that this occurs as a result of user downloading and installing some free application which he/she downloaded online and installed subsequently. Use this guide below that will help you get rid of isearch.nation.com as the start page of your browser and its search engine.