When you click on a hyperlink in Windows Mail or Windows Live Mail, you may see the Application not found error message. This happens if the default browser is not set, or the http protocol association is incorrect. The same error may occur when double-clicking an Internet Shortcut (.URL) file in the system.

To resolve the problem, use the Default Programs feature in Windows Vista to reset the default Web browser preference.
Reset the default web browser
Step 1
1. Click Start, Default Programs
2. Click Set your default programs
3. Select your web browser from the list
4. Click Set this program as default
5. Click OK.
Then follow these steps:
Step 2
1. Click Set program access and computer defaults
2. Click Continue if you see the User Account Control prompt.
3. Click Custom
4. Select your web browser from the list
5. Click OK.
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Thanks it worked perfectly
Doesn’t work for me. I get a “x-msg://12/” that indicates a Set Association error exist5s when everything is set to use Internet Explorer 8 by default. Vey frustrating …
it also didn’t work for me.
Good job, worked a treat!
The option to do this in XP was “Start” > “Set program access and defaults” I changed all my settings manually to my preferred apps. I’ve never installed google chrome.
Ta chook.
me too … still cant get it to work … google chrome has disappointed me to the point where i will NOT use the application again !! it seems to be related to installing and uninstalling google chrome
I followed the instruction and I am still getting the error message “Application not found” when I try to open an attachement
Thank you so much for the advice. I too ran into this problem after installing and uninstalling chrome. I was ready to pull my hair out and cry until I asked you what to do. It seems to have worked like a charm. I really do appreciate your site.
It did not work to get the application not found of the computer off. What do I do?
yeah, i still get “application not found”, is there anything else to do?
I do every thing but still have the ” Application not found: what can i do els?