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Because applications will interfere with the installation process, such as anti-virus and boot management software.

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13y ago
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12y ago

Because, upgrading the operating system requires changes to be made to the registry. The changes can only be made if the computer isn't running other applications.

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Q: Why do you need to close applications before performing an in-place upgrade to Vista or Windows 7?
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Related questions

Which upgrade path do you need to follow when performing an upgrade from Windows 95 to Windows XP?

Windows 95 to Windows 98, and then to Windows XP


Is the Windows XP rollback feature supported when performing an upgrade from Windows 95?

No. Windows XP does not support rolling back to a previous operating system, nor is it possible to upgrade directly from Windows 95 to Windows XP.


Why do you need to close application before performing an in-place upgrade to Vista?

Buy windows 7


What are two features of upgrading Windows 2000 to Windows XP?

Windows 2000 applications and settings are kept and Windows XP upgrade is quicker than a fresh new installation of XP.


What OS is an upgrade to windows 2000?

Windows XP Professional is an upgrade to Windows 2000 Professional. Windows Server 2003 is an upgrade to Windows 2000 Server.


Does Windows 7 upgrade your graphics?

Windows 7 cannot in itself make your graphics card work better or make applications / games look better. The appearance of Windows 7 may be considered an "upgrade" compared to older versions of Windows, especially Windows XP, but it does not change the actual functionality of the card; it just uses more of its features.


Can you upgrade to windows xp directly from windows 98?

I tried it once but it failed to copy some os files.You should try it ,it may work for you if not upgrade to windows 2000 first. After you upgrade to windows 2000 then you can probably upgrade to windows xp from 2000


If you had a Windows xp and upgrade to vista when you reboot it will it be windos xp?

No. Obviously, if you upgrade to Windows Vista, you will have Windows Vista.


Windows 2000 is an upgrade of?

Windows 2000 was the upgrade path of Windows NT 4, for both the Workstation and Server versions.


What is the upgrade of windows NT?

Windows XP


How do you upgrade to Windows 7 home premium to Windows 7 pro?

You can upgrade to Windows 7 Professional using Windows Anytime Upgrade. Pricing information for each edition of Windows 7 is available as part of the Windows Anytime Upgrade process. You can also go to an electronics store to see prices and to buy a Windows Anytime Upgrade key.Here's how to begin:1- Open Windows Anytime Upgrade by clicking the Start button. In the search box, type anytime upgrade, and then, in the list of results, click Windows Anytime Upgrade.2- Follow the instructions on each page.For further information on upgrading - see the related link to Microsoft.


What is one reason to use a clean install rather than an upgrade when migrating from Windows 98 to windows 2000?

Windows 98 uses an older technology based on DOS, Windows 2000 is based on the NT Kernel. Sometimes Windows NT OS's don't work right with old dos files.With a clean install, you get a fresh start. With an upgrade, problems with applications or the OS may follow you into the new load.Install off of your Windows 2000 CD and then have Windows search for your Win 98 CD when it checks for valid upgrade path.