Read all of the following before doing anything ||
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I'd highly recommend against using Stardock Windowblinds.
Windowblinds is a terrible system bloat, and it works only marginally on Vista64.
Instead, look for a program called VistaGlazz.
It's a uxtheme.dll and other file patcher, allowing you to run custom theme files (change windows and taskbar) and replace browseui.dll (buttons and logon).
To run themes, you'll need to download a .msstyles file from your website of choice.
DeviantArt has a lot of them, so I'd start there.
Put the theme into C
Windows\Resources\Themes, and then doubleclick the themes.
This will pull up the theme window (standard windows program). Scroll to the bottom, and you'll find a theme that probably says "Aero Style". This is the theme you just installed. Click it, and then click Apply to use the theme.
Modifying Browseui.dll is a little trickier.
Before you do ANYTHING, create a system restore point.
I won't go into how to do this, since if you don't know how, you shouldn't be messing around with system dlls anyway. After your restore point, go to C
Windows\System32 (i think). In there, you'll find Browseui.dll. take ownership of it (again, if you don't know how, don't mess with system files). cut it into a backup folder, so you can restore it later should you choose. Then replace the dll with the file in your theme of choice. reboot windows, and if it worked, great.
If it did NOT work, however, we created a system restore point.
reboot to a command prompt, and type "rstrui" without the quotes. That is the system restore wizard from command line. Chances are good that the theme's browseui.dll is messed up, or not for Vista, so i'd go find another theme.
Sorry if that was a bit incoherent,
I'm typing this while I'm sick at 7:30 in the morning.
Anyway, have fun with Windows themeing.