User Account Control (UAC)

So guys today I want to give you some information about User Account Control feature in Windows Vista.

It seems very annoying to many users that whenever they are trying to do something in Windows Vista the User Account Control Windows pops up and they need to click on it move further. I would like to say that it is a very good feature in Windows Vista that actually help to keep our Windows Vista system safe and secure from any type of Malware and Spyware infection. UAC can help prevent malicious software (malware) and spyware from installing or making changes to your computer without permission.

When your permission or password is needed to complete a task, UAC will alert you with one of the following messages

1. Windows needs your permission to continue
A Windows function or program that can affect other users of this computer needs your permission to start. Check the name of the action to ensure that it's a function or program you want to run.

2. A program needs your permission to continue
A program that's not part of Windows needs your permission to start. It has a valid digital signature indicating its name and its publisher, which helps to ensure that the program is what it claims to be. Make sure that this is a program that you intended to run.

3. An unidentified program wants access to your computer
An unidentified program is one that doesn't have a valid digital signature from its publisher to ensure that the program is what it claims to be. This doesn't necessarily indicate danger, as many older, legitimate programs lack signatures. However, you should use extra caution and only allow this program to run if you obtained it from a trusted source, such as the original CD or a publisher's website.

4. This program has been blocked
This is a program that your administrator has specifically blocked from running on your computer. To run this program, you must contact your administrator and ask to have the program unblocked.


Microsoft recommend that you log on to your computer with a standard user account most of the time. You can surf the Internet, send e‑mail, and use a word processor, all without an administrator account. When you want to perform an administrative task, such as installing a new program or changing a setting that will affect other users, you don't have to switch to an administrator account. Windows will prompt you for permission or an administrator password before performing the task.


Source:WINDOWSHELP.MICROSOFT.COM