Removing mywebsearch as the default search engine from Firefox

If you have accidentally installed myWebSearch as the default search engine for firefox, and want to remove it then do the following :

1. Close Firefox
2. Go to C:\program files\mozilla firefox\chrome\
3. Delete the files m3ffxtbr.jar and m3ffxtbr.manifest
4. Go to c:\program files\ and delete the mywebsearch folder, if it is there.