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AntiSpyware slowing down our application by a factor of 10-100

 
 
Paul Sjoerdsma
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      8th Nov 2005
Hi,

We develop and sell a 3-tier HRM solution. On some of our computers
when AntiSpyware is activated it slows down the application server.
Our program is not detected as a spyware threat.

Has anybody seen this behaviour??

regards
Paul
 
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Bill Sanderson
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      8th Nov 2005
Throughout the beta we've seen that certain installs of Microsoft
Antispyware involve high CPU loads and significant impact on both individual
apps and the general use of the machine.

I'd recommend trying this set of steps to see whether it provides relief on
a given machine.

Beta2 will be quite different, I believe, but it won't be available before
year end, if then.

1) uninstall Microsoft Antispyware
2) delete \program files\microsoft antispyware and all subfolders

You will lose access to all quarantined items, history, and custom settings

3) reinstall Microsoft Antispyware.

This may fix a variety of ills. One easy thing you could check is whether
the errors.log file in the \program files\microsoft antispyware folder is
large. If so, delete it. Growth under earlier builds was uncapped and
could be rapid--2 gig files under NTFS were possible. Growth of this file
is now capped, so simply deleting it will fix that issue.


--

"Paul Sjoerdsma" <paul.nospam.@pasoftware.nl> wrote in message
news:(E-Mail Removed)...
> Hi,
>
> We develop and sell a 3-tier HRM solution. On some of our computers
> when AntiSpyware is activated it slows down the application server.
> Our program is not detected as a spyware threat.
>
> Has anybody seen this behaviour??
>
> regards
> Paul



 
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Paul Sjoerdsma
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Posts: n/a
 
      9th Nov 2005
Removing and re-installing didn't make a difference. The errors.log
was only around 500Kb.
The funny thing is, even if I turn off all the security agents, the
application is still slow.

Hopefully the new beta will behave better. Now convinve our clients
that running MS Antispyware Beta is not always a good thing and that
the Beta part in the name is there for a reason.

regards
Paul


On Tue, 8 Nov 2005 13:38:14 -0500, "Bill Sanderson"
<(E-Mail Removed)> wrote:

>Throughout the beta we've seen that certain installs of Microsoft
>Antispyware involve high CPU loads and significant impact on both individual
>apps and the general use of the machine.
>
>I'd recommend trying this set of steps to see whether it provides relief on
>a given machine.
>
>Beta2 will be quite different, I believe, but it won't be available before
>year end, if then.
>
>1) uninstall Microsoft Antispyware
>2) delete \program files\microsoft antispyware and all subfolders
>
>You will lose access to all quarantined items, history, and custom settings
>
>3) reinstall Microsoft Antispyware.
>
>This may fix a variety of ills. One easy thing you could check is whether
>the errors.log file in the \program files\microsoft antispyware folder is
>large. If so, delete it. Growth under earlier builds was uncapped and
>could be rapid--2 gig files under NTFS were possible. Growth of this file
>is now capped, so simply deleting it will fix that issue.

 
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Bill Sanderson
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Posts: n/a
 
      9th Nov 2005
If you want to eliminate all real-time protection, the gui can be
misleading--the best way to do this is to follow the "workaround" paragraph
in this KB article:

http://support.microsoft.com/kb/892375 End users may be prompted to allow or
block administrative actions that originate from a central management tool
after they install Windows AntiSpyware (Beta) on a computer that is managed
by Systems Management Server 2003

(This article may also be of interest to your client, depending on the size
of their network--it discourages installation in a managed environment--with
good reason.)

It'd be interesting to see whether eliminating the real-time protection,
which is provided by a driver that uses a shellexecute hook--eliminates your
performance issue. I suspect that this would indicate a software issue in
your environment.

Many details about this beta product will change significantly with the
release of beta2, which should come later this year or early next--one way
for the client to deal with this issue would be to back off and look again
when beta2 is released.

--

"Paul Sjoerdsma" <paul.nospam.@pasoftware.nl> wrote in message
news:(E-Mail Removed)...
> Removing and re-installing didn't make a difference. The errors.log
> was only around 500Kb.
> The funny thing is, even if I turn off all the security agents, the
> application is still slow.
>
> Hopefully the new beta will behave better. Now convinve our clients
> that running MS Antispyware Beta is not always a good thing and that
> the Beta part in the name is there for a reason.
>
> regards
> Paul
>
>
> On Tue, 8 Nov 2005 13:38:14 -0500, "Bill Sanderson"
> <(E-Mail Removed)> wrote:
>
>>Throughout the beta we've seen that certain installs of Microsoft
>>Antispyware involve high CPU loads and significant impact on both
>>individual
>>apps and the general use of the machine.
>>
>>I'd recommend trying this set of steps to see whether it provides relief
>>on
>>a given machine.
>>
>>Beta2 will be quite different, I believe, but it won't be available before
>>year end, if then.
>>
>>1) uninstall Microsoft Antispyware
>>2) delete \program files\microsoft antispyware and all subfolders
>>
>>You will lose access to all quarantined items, history, and custom
>>settings
>>
>>3) reinstall Microsoft Antispyware.
>>
>>This may fix a variety of ills. One easy thing you could check is whether
>>the errors.log file in the \program files\microsoft antispyware folder is
>>large. If so, delete it. Growth under earlier builds was uncapped and
>>could be rapid--2 gig files under NTFS were possible. Growth of this file
>>is now capped, so simply deleting it will fix that issue.



 
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