Within Windows operating systems this will be a hidden folder. Windows XP: \Documents and Settings\(username)\Application Data\Local\Google\Chrome\User Data
Windows Vista/7/8: \Users\(username)\AppData\Local\Google\Chrome\User Data Mac OS X: /user/library/Application Support/Google/Chrome Depending on your operating system, navigate to the following folder path: Close your Chrome browser (this is important).
It is easy to fix this, just locate your local state file and delete the line relating to the magnet protocol, then save it! Here are some detailed instructions on how to do this: If there is no torrent client set to work with the magnet protocol in Chrome however, you may experience a problem. By default, it will open the program you download torrents with if it is able to handle magnet URI addresses. This extension works in conjunction with your torrent client. IF THIS EXTENSION DOES NOT WORK IMMEDIATELY FOR YOU, PLEASE READ THIS FIRST: This extension is compatible with any torrent client that supports the magnet URI scheme. With this extension, you can highlight the above text then right click and begin downloading! No longer can peer-to-peer file sharing be censored effectively when web users can manually initiate their own downloads. No torrent files or magnet links are required to quickly get started fetching the metadata for your download, just a 40-character hexadecimal code comprised of numbers and letters.
This extension is unique in that it requires only a 40-character info hash to start your torrent download. Select or highlight a 40-character info hash then open it in your torrent client all in one step from the right-click context menu.