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| RE: ANS: "What's the deal with UAC (Windows Needs Your Permission scre "Jimmy Brush" wrote: [color=blue] > Hello, > > I've noticed that a lot of the questions in these newsgroups are either > directly or indirectly related to UAC (User Account Control). In this post, > I will go over what UAC does, how it works, the reasoning behind it, how to > use your computer with UAC on, why you shouldn't turn UAC off, and answer > some common questions and respond to common complaints about it. > > > * What is UAC and what does it do? > > UAC mode (also known as Admin Approval Mode) is a mode of operation that > (primarily) affects the way administrator accounts work. > > When UAC is turned on (which it is by default), you must explicitly give > permission to any program that wants to use "administrator" powers. Any > program that tries to use admin powers without your permission will be > denied access. > > > * How does UAC work > > When UAC mode is enabled, every program that you run will be given only > "standard user" access to the system, even when you are logged in as an > administrator. There are only 2 ways that a program can be "elevated" to get > full admin access to the system: > > - If it automatically asks you for permission when it starts up, and you > click Continue > - If you start the program with permission by right-clicking it, then > clicking Run As Administrator > > A program either starts with STANDARD rights or, if you give permission, > ADMINISTRATOR rights, and once the program is running it cannot change from > one to the other. > > If a program that you have already started with admin powers starts another > program, that program will automatically be given admin powers without > needing your permission. For example, if you start Windows Explorer as > administrator, and then double-click on a text file, notepad will open and > display the contents of the text file. Since notepad was opened from the > admin explorer window, notepad WILL ALSO automatically run WITH admin > powers, and will not ask for permission. > > > * What's the point of UAC? > > UAC is designed to put control of your computer back into your hands, > instead of at the mercy of the programs running on your computer. > > When logged in as an administrator in Windows XP, any program that could > somehow get itself started could take control of the entire computer without > you even knowing about it. > > With UAC turned on, you must know about and authorize a program in order for > it to gain admin access to the system, REGARDLESS of how the program got > there or how it is started. > > This is important to all levels of users - from home users to enterprise > administrators. Being alerted when any program tries to use admin powers and > being able to unilaterally disallow a program from having such power is a > VERY powerful ability. No longer is the security of the system tantamount to > "crossing one's fingers and hoping for the best" - YOU now control your > system. > > > * How do I effectively use my computer with UAC turned on? > > It's easy. Just keep in mind that programs don't have admin access to your > computer unless you give them permission. Microsoft programs that come with > Windows Vista that need admin access will always ask for admin permissions > when you start them. However, most other programs will not. > > This will change after Windows Vista is released - all Windows Vista-era > programs that need admin power will always ask you for it. Until then, you > will need to run programs that need administrative powers that were not > designed for Windows Vista "as administrator". > > Command-line programs do not automatically ask for permission. Not even the > built-in ones. You will need to run the command prompt "as administrator" in > order to run administrative command-line utilities. > > Working with files and folders from Windows Explorer can be a real pain when > you are not working with your own files. When you are needing to work with > system files, files that you didn't create, or files from another operating > system, run Windows Explorer "as administrator". In the same vein, ANY > program that you run that needs access to system files or files that you > didn't create will need to be ran "as administrator". > > If you are going to be working with the control panel for a long time, > running control.exe "as administrator" will make things less painful - you > will only be asked for permission once, instead of every time you try to > change a system-wide setting. > > In short: > > - Run command prompt as admin when you need to run admin utilities > - Run setup programs as admin > - Run programs not designed for Vista as admin if (and only if) they need > admin access > - Run Windows Explorer as admin when you need access to files that aren't > yours or system files > - Run programs that need access to files that aren't yours or system files > as admin > - Run control.exe as admin when changing many settings in the control panel > > > * UAC is annoying, I want to turn it off > > Having to go through an extra step (clicking Continue) when opening > administrative programs is annoying. And it is also very frustrating to run > a program that needs admin power but doesn't automatically ask you for it > (you have to right-click these programs and click Run As Administrator for > them to run correctly). > > But, keep in mind that these small inconveniences are insignificant when > weighed against the benefit: NO PROGRAM can get full access to your system > without you being informed. The first time the permission dialog pops up and > it is from some program that you know nothing about or that you do not want > to have access to your system, you will be very glad that the Cancel button > was available to you. > > > * Answers to common questions and responses to common criticism > > Q: I have anti-virus, a firewall, a spyware-detector, or something similar. > Why do I need UAC? > > A: Detectors can only see known threats. And of all the known threats in > existence, they only detect the most common of those threats. With UAC > turned on, *you* control what programs have access to your computer - you > can stop ALL threats. Detectors are nice, but they're not enough. How many > people do you know that have detectors of all kinds and yet are still > infested with programs that they don't want on their computer? Everyone that > I have ever helped falls into this category. > > > Q: Does UAC replace anti-virus, a firewall, a spyware-detector, or similar > programs? > > A: No. Microsoft recommends that you use a virus scanner and/or other types > of security software. These types of programs compliment UAC: They will get > rid of known threats for you. UAC will allow you to stop unknown threats, as > well as prevent any program that you do not trust from gaining access to > your computer. > > > Q: I am a system administrator - I have no use for UAC. > > A: Really? You don't NEED to know when a program on your computer runs with > admin powers? You are a system administrator and you really could care less > when a program runs that has full control of your system, and possibly your > entire domain? You're joking, right? > > > Q: UAC keeps me from accessing files and folders > > A: No, it doesn't - UAC protects you from programs that would try to delete > or modify system files and folders without your knowledge. If you want a > program to have full access to the files on your computer, you will need to > run it as admin. Or as an alternative, if possible, put the files it needs > access to in a place that all programs have access to - such as your > documents folder, or any folder under your user folder. > > > Q: UAC stops programs from working correctly > > A: If a program needs admin power and it doesn't ask you for permission when > it starts, you have to give it admin powers by right-clicking it and > clicking Run As Administrator. Programs should work like they did in XP when > you use Run As Administrator. If they don't, then this is a bug. > > > Q: UAC keeps me from doing things that I could do in XP > > A: This is not the case. Just remember that programs that do not ask for > permission when they start do not get admin access to your computer. If you > are using a tool that needs admin access, right-click it and click Run As > Administrator. It should work exactly as it did in XP. If it does not, then > this is a bug. > > > Q: UAC is Microsoft's way of controlling my computer and preventing me from > using it! > > A: This is 100% UNTRUE. UAC puts control of your computer IN YOUR HANDS by > allowing you to prevent unwanted programs from accessing your computer. > *Everything* that you can do with UAC turned off, you can do with it turned > on. If this is not the case, then that is a bug. > > > Q: I don't need Windows to hold my freaking hand! I *know* what I've got on > my computer, and I *know* when programs run! I am logged on as an > ADMINISTRATOR for a dang reason! > > A: I accept the way that you think, and can see the logic, but I don't agree > with this idea. UAC is putting POWER in your hands by letting you CONTROL > what runs on your system. But you want to give up this control and allow all > programs to run willy-nilly. Look, if you want to do this go right ahead, > you can turn UAC off and things will return to how they worked in XP. But, > don't be surprised when either 1) You run something by mistake that messes > up your computer and/or domain, or 2) A program somehow gets on your > computer that you know nothing about that takes over your computer and/or > domain, and UAC would have allowed you to have stopped it. > > > - JB > > Vista Support FAQ > [url]http://www.jimmah.com/vista/[/url] >[/color] |
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| Thread | Thread Starter | Forum | Replies | Last Post |
| RE: ANS: "What's the deal with UAC (Windows Needs Your Permission scre | bettyboop | Windows Vista | 0 | 08-18-2007 03:00 PM |
| RE: ANS: "What's the deal with UAC (Windows Needs Your Permission scre | dave | Windows Vista | 18 | 07-24-2007 02:10 AM |
| RE: ANS: "What's the deal with UAC (Windows Needs Your Permission scre | Vista victim | Windows Vista | 3 | 04-02-2007 12:30 AM |
| RE: ANS: "What's the deal with UAC (Windows Needs Your Permission scre | Vista victim | Windows Vista | 1 | 03-30-2007 04:00 PM |
| RE: ANS: "What's the deal with UAC (Windows Needs Your Permission scre | sbryce61 | Windows Vista | 9 | 01-01-2007 10:06 PM |
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