You can talk about issues with k-meleon here.
Default browser in windows seven
Date: July 28, 2009 06:35PM
it is impossible to define K-meleon as the default browser in windows Seven.
Either using K-meleon functiond or windows>programs>default program
Re: Default browser in windows seven
Date: August 12, 2009 03:01PM
run it as administrator , and set up than ..