For those using Outlook Express, this tweak makes OE loads even
faster. On this AMD 1GHz and using 256MB of RAM system, it loads
faster than it loads IE. Cool tweak. Credits to TweakXP team.
First, uninstall Windows Messenger.
Go to Start > Run and type in this:
RunDll32 advpack.dll,LaunchINFSection
%windir%\inf\msmsgs.inf,BLC.Remove
Make sure you type in this carefully, or
you will have to re-install Windows.
After uninstalling, start Registry Editor (Start > Run, type in
regedit)
Navigate to this key:
HKEY_LOCAL_MACHINE\Software\Microsoft\Outlook
Express.
Move your mouse to the pane on the right. Right click in the right
pane and select New > Dword
value.
Give it the name Hide Messenger. Right click on
Hide Messenger and select Modify and set the value
to 2.
Next, go to Start > Run and type in
services.msc.
Find Messenger. Double click it. Click on the Stop
button. Let Windows stop the service. Once it's completed, change
the Startup type to Disabled. Click OK and exit
services.
Now press Ctrl + F. Do a registry search for this key:
FB7199AB-79BF-11D2-8D94-0000F875C541. After
Windows has finished searching, click on the + sign next to
it.
Click on InProcServer32. Move your mouse to the
right pane. Right click on Default and select
Modify.
Delete the value in it. Do not delete the
Default key. Only delete the values in it so it becomes
empty.
Now move to left pane again. Select LocalServer32.
Move your mouse to the right pane. Right click on
Default and select Modify.
Delete the value in it. Do not delete the
Default key. Only delete the values in it so it becomes
empty.
Restart your computer for it to take effect.

The blue box shows that the Default key is empty. It is not
DELETED. Only the value is.