Resolved Mailto issue, what a pain in the neck

I use Vista, which is not so simple to fix as Xp was in IE.
In Vista you click on Default Programs from the Start Menu, then Set your default programs and see if Notes is listed, mine is not(but I run R3-R8 so not surprising it can be confused).
Then check Set Program Access and Computer Defaults to see if Notes is listed as an option, click it if it is.
In my case this still did not work..
The answer was/is:
Go to this page and get his tool.
http://www.nirsoft.net/articles/mailto_bug.html

You can follow the steps, but in Vista I had to go into the registry and look for in the
HKEY_CLASSES_ROOT\Outlook.URL.mailto\shell\open\command
and change it to your notes.exe location and add the ending. mine is c:\lotus\notes8\notes.exe -defini %1

There are other entries ie: rss and mail inks and all which you may need to fix as well, but this will get the email working again.

EDITED UPDATED 3/20/2008
Jospeh thanks for this information for Thunderbird people too!

Also, my key for Lookout was
HKEY_CLASSES_ROOT\Microsoft.Outlook.URL.mailto\shell\open\command
Not
HKEY_CLASSES_ROOT\Outlook.URL.mailto\shell\open\command

And the full entries from that lovely program you pointed me to were:

Microsoft Outlook.Url.Mailto Enabled URL:MailTo Protocol C:\PROGRA~1\MI1933~1\OFFICE11\OUTLOOK.EXE -c IPM.Note /m "%1" Microsoft Office Outlook Microsoft Corporation

Notes Enabled URL:Notes Protocol C:\Program Files\lotus\notes\notes.exe -defini %1 IBM Lotus Notes/Domino IBM Corp

Thunderbird.Url.mailto Enabled Thunderbird URL "C:\Program Files\Mozilla Thunderbird\thunderbird.exe" -osint -compose "%1" Thunderbird Mozilla Corporation

Microsoft is not playing nice with Lotus again

Vista pc, perfectly fine. Microsoft forces down some updates, my laptop reboots on its own!
I told it to download, never told it to reboot by itself!

Fine, I can live with it.

BUT WAIT! Now every mailto URL goes to Outlook! What happenned to all my Lotus pointers.
Poof! Gone!

And to make it worse, YOU CAN NOT browse to add a extension or reference if it's a Microsoft piece of software. So although Notes is registered into my PC, the Office 2007 SP1 evidently wiped it out of the registry.
And will not even admit Lotus it is loaded on my pc(I also have R3,4,5,6,7 as well as standard 8) so any of them would be fine.
But no way to select MY preference of an email program.
Just because Outlook is installed, does not mean I want to use it for real.

So I have to go dig out the utility I found, I posted about it previously, to correct this.
Someone out there tell me this is normal?
How can they blatantly prevent me from using my preferred mail client software?

How far does this go, if I used Thunderbird does it block me out as well?
This is just wrong!