Windows Defender: Why Defender updates demand a reboot


S

shadowman

I would like to know why Windows Defender updates demand a reboot? Commonly,
a system reboot is required because the installer is attempting to install a
file that is currently being used. With for example McAfee you don't have to
reboot when you install a new definition update. I would be nicer if Windows
Defender requires no reboot after installing an update, just restarting the
service should be enough.
 
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B

Bill Sanderson

I have to say that I have very few machines running Windows Defender--those
that are tend to be servers. That said, I don't recall that definition
updates require a reboot.

What version of Windows are you running? I wonder whether there is
something on your system which is interfering with the ability to restart
the service, hence the request for the reboot?
 
S

shadowman

Hello Bill,

Thanks for your reply.
I'm running Windows 7 Ultimate (RTM). I have a notebook with only Windows
Defender,and also there Windows Defender demands a reboot when apply a
definition update.

Kind Regards,

Guido van Brakel
System Engineer
MCP // MCSA // MCSE
 
B

Bill Sanderson

I don't have RTM to replicate, but I do have two machines running RC.

I'll blow away Microsoft Security Essentials so Defender will be enabled and
I can test this.

Should be able to manage that by sometime later today.
 
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T

Tim Clark

Either something is different in Win7 or something is wrong.

I have been using Windows Defender since beta.
A simple update of Definitions, using any method AU/WU/MU/GUI/Manual
Download and install:
has Never required a reboot, Ever.

The only scenario i can envision is the use of AU/WU/MU when there were
other updates involved, in addition to Defender.

This should be considered odd

Tim
 

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