User Account control (UAC) is a security component in Windows Vista. it does pretty good protection for windows vista user. But only problem about UAC are user friendliness and annoying windows pop ups only. if there are a lot of application and software running on your windows vista machine then you will expecting a lot of User account control pop up bugging you.

Sometimes, you looking to disable all UAC features on windows vista but afraid there is no security imposed on windows vista user account control and possibly create a security havoc. However, Microsoft help and support has publish a tutorial to disable user account control ( UAC ) for certain vista application on Windows Vista overcome disable fully user account control ( UAC ) functionality on your windows vista.

Step to disable user account control ( UAC ) for Certain vista application:

• First download and install Application Compatibility Toolkit.
• Find the shortcut icon for Compatibility Administrator. Right click it and click Run as administrator.
• In the left hand pane, right-click on the database under Custom Databases and select Create New, and select Application Fix.
• Enter the name and other details of the application you want to alter behavior on and then browse to it to select it. Click Next.
• Click Next until you are in the Compatibility Fixes screen.
• On the Compatibility Fixes screen, find the item RunAsInvoker, and check it.
• Click Next and then Finish.
• Select File and Save As. Save the file as a app.SDB type file in a directory you will easily find it.
• Navigate to Start Menu, Right click Command Prompt and click Run as administrator.
• Run the following command at the prompt :sdbinst <path>\app.sdbWhere <path> is the location where you have saved the app.sdb file. For example, if you saved the .SDB file as app.sdb in the c:\Windows folder, the command should be like this:sdbinst c:\windows\app.sdb

After go through the disable user account control ( UAC ) for certain vista application tutorial, you will get a confirmation message then this proved that vista no longer prompt you with the UAC everytime.
Via Microsoft Help and Support Pages