Three basic reasons:
Answer
It will only take long if the following factors are in play: Slow internet connection, numerous updates to be updated, downloaded and installed and large file updates. If you keep your computer up to date and update it often, at least once per fortnight checking for updates you then should have less hassle and waiting time plus you have the added bonus of ensuring that your computer is always up to date and the operating software security bugs are always fixed, keeping unwanted visitors away from your computer. >/br>
There could be a few reasons:
A: You could have auto updates turned off. (Go into control pannel then security then updates and make sure they are turned on)
B: Your putting computer in standby or hibernation which will not install updates you have to shut it down.
C: If you have not already try clicking the shield icon at the bottom left it will either be red or yellow or not be there and manually install them.
Hope this helped
There are various reasons that a Windows update might not work. For example, you could have a copy of Windows that is not legitimate.
Updates and support for Windows XP are scheduled to end on April 8th, 2014. Microsoft suggests that people take action to update their systems to a newer version of the Windows operating system by then.
Updates take a long time to design, especially major updates like the 1.2.5 to 1.3 update. The redstone update is a huge update, so it takes much longer than the average bug fix or graphics update.
It will take about hour an and two.
It is not possible to download Windows Vista online legally. One needs to purchase the product legally from Microsoft or stores that sell that software. One can download it from torrent sites but it is illegal.
If a game is out of date, the Xbox will prompt you to download the latest update for it. Updates are usually around 4MB and do not take long to download.
One can download updates for Windows Explorer automatically in the Windows updates that will take effect when one reboots their PC. They can also be downloaded from the Microsoft website manually.
AnswerSoftware developers will often release updates for the software that they make. For example, Microsoft distributes many updates for their operating system. However, sometimes there are so many updates available that it is difficult to know which updates a user should download. To take the guesswork out of updating developers offer cumulative updates. A cumulative update is a complete update of the software. So if you download the cumulative update you know you will be completely up to date. I prefer cumulative updates because I don't want to have to download every update one at a time and worry that i missed an update.
It depends on how big the system update is, as well as your internet speed. Most updates are small patches and minor adjustments that take only a few minutes to update.Bigger updates can take around 5-15 minutes or longer to download so that is why it is recommended that you connect your Nintendo 3DS to an AC adapter so that it won't run out of batteries during the update.
Tt usually takes about 10 to 20 minutes, but can sometimes take a little longer. The game updates from 7am GMT - 7:30am GMT.
Like all major software companies, Microsoft continually find and fix problems with their products. Windows Update allows you to download and install these fixes, either manually or automatically, so that your computer is always kept up to date. These updates can include important problem fixes and updates to fix security vulnerabilities, so it's beneficial for you to have these updates installed. In terms of disadvantages, downloading and installing the updates does take up some of your computer's resources, but if you have this scheduled to run automatically at a time when you're not using the computer, then that shouldn't be too much of a problem. There is also a slight risk with any update that it might destabilise your system, and you might have to back it out. There might be something in your specific configuration which the update hasn't been tested with, and which it might be incompatible with. I don't know if there are any statistics available on problems caused by updates, but I would imagine that the benefits far outweigh the risks.
full article and summary : http://www.windowsecurity.com/articles/Windows-XP-SP3-Security.html* Stability updates: These updates impact on how the already stable XP runs increasing the availably and reliability of the operating system. * Performance updates: These updates improve XP performance and enhance interoperability and hardware compatibility. * Security Updates: These updates include previous security updates and new updates. * Out of band releases: These updates include some releases that Microsoft has developed like MMC 3.0 and core XML services 6.0. * Minor feature updates: Features like NAP have been added so that customers can now take advantage of Windows 2008 server. Support for WPA2 is also available as a separate download. Microsoft recommends Windows XP Service Pack 3 as the de facto standard for users running Windows XP. Service Pack 3 is the baseline update for customers still using Windows XP. Microsoft have elected for the latest version of Internet explorer to not be installed with Service Pack 3. If IE7 or IE6 is detected during the installation respective updates and security patches are applied to match the correct version.
1. You might try this. Go to the main Windows Update window and click on "Installed Updates" (on the left-hand side of the window, at the bottom), and then remove "Update for Microsoft Windows (KB931099)" (only). Reboot. Reboot again. Go back to Windows Update, and re-install the same update, by clicking on the Check for Updates button. This should essentially re-install Windows Defender on Vista. 2. 1 Go to control Panel and click on Administrative tools. 2 Click on services and a new windows will appear. 3 Look up for windows defender and right click on it, click on properties and select automatic, it should be on manual, change it to automatic and click apply then o.k. and will take you back to the services windows. 4 Windows Defender should be highlighted and on the left hand side of the services windows, should be 2 links, click restart. 5 Close all windows and open Windows Defender, it should work without a problem and your popup window at start up will not be display any longer.