Whenever you install a new version of Internet Explorer in Windows or install a new update for Internet Explorer in Windows, you need to restart your computer to take effect. Actually Windows needs to replace system files which are currently in use and that's why a system restart is required.
Now Microsoft has released a new update for Windows 7 and Windows Server 2008 R2 which allows you to install IE9 or future versions of IE in Windows without restarting.
Here is what the official KB article says:
In some scenarios, after you install Internet Explorer 9, or a later version of Internet Explorer update from Windows Update or Microsoft Update, you may be prompted to restart your computer. This update reduces the number of scenarios in which a restart is required.
You can download it using following links:
Download Update for Windows 7 (32-bit)
Download Update for Windows 7 (64-bit)
Download Update for Windows Server 2008 R2 (64-bit)
But you may have to restart the computer after you apply this update. ;)
This article was posted by VG in following section: Internet Explorer, Windows 7.
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Qhj
This should've been done years ago.
leomate
How about in vista sp2 ??
Shaoor
Hey VG... this is showing this update is not applicable to your system... I am running windows 7 ultimate (SP1) 32 bit
Shaoor
Hey VG... this is showing this update is not applicable to your system... I am running windows 7 ultimate (SP1) 32 bit
André
the update is for Windows 7 RTM. On Windows 7 Sp1 you can install IE9 without rebooting.
Riddle
I installed IE9 on Windows 7 Home Premium 64bit SP1 just a week ago and it required me to restart.
Someone
@Shaoor
My guess is either that you have IE9 installed already, or this update was already installed by Windows Update.
mohit
But you may have to restart the computer after you apply this update. ;)