I accidentally make Pidgin the default app for Yahoo Messenger URI scheme (ymsgr://) in Google Chrome. Now, whenever I click on a Yahoo Messenger URI scheme, instead of appearing a popup chat box, nothing happens. How can I change the default app to associate with this URI scheme back to Yahoo Messenger?

I found a similar problem here. But I am using Windows 7, not Ubuntu, so the solution cannot be applied in my situation.

2 Answers 2


Try Control Panel\Programs\Default Programs\Set Associations

or Start> Default Programs> Associate a file type or protocol with a program


The file associations in Control Panel\Programs\Default Programs\Set Associations doesn't cover all possible file extensions and actions that can be taken by default on those extensions, such as editing and printing.

This application: http://www.nirsoft.net/utils/file_types_manager.html, can help you edit defaults that don't appear in the control panel list.

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