technology and zen of life

“A heisenbug (named after the Heisenberg Uncertainty Principle) is a computer bug that disappears or alters its characteristics when an attempt is made to study it.”

User Access Control

User Access Control is a security feature introduced with Windows Vista and is included in all the future versions of windows operating system. It is introduced to aim at increasing the security of the system by running the processes in an environment with only user right privileges until the user allows the software access to administrative rights.

In this way, only applications trusted by the user may receive administrative privileges, and malware should be kept from compromising the operating system. In other words, a user account may have administrator privileges assigned to it, but applications that the user runs do not inherit those privileges unless they are approved beforehand or the user explicitly authorizes it.

Practically since most of us just press the allow button without thinking if the task we are running actually does indeed the administrative privileges, the UAC is more of an annoyance than of use. So if you want to stop those annoying popup each time you want to install something or run some applications you can chose to disable the UAC.

The easiest way to disable UAC is via the MSCONFIG tool in Windows Vista.

1. You can launch MSCONFIG by using the run command.

2. Next go to the tools tab and scroll down till you find the option ‘Disable UAC’. Select the option and click on the launch button.

UAC Msconfig

3. Next time you reboot your system UAC will be disabled. You can follow the same steps to re-enable UAC when you want.

– Disabling UAC makes your system run all processes on administrative rights all the time like Windows XP.This might be harmful to your computer and you should only disable it if you understand the risks completely.

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One Response

  1. Ashish says:

    Nice one to be known of.


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