Windows XP PCs slow

Posted on 2011-10-07
Last Modified: 2012-05-12
Dear Experts,
I have a windows domain with 160 HP PCs with XP operating systems.
PC slow down sometimes.
I am using Symantec Endpoint protection as antivirus as use Malwarebytes and Microsoft security essential to cross and remove viruses.
Can you please advice how to keep a XP PC at best performace and avoid slowing down or crashing.
Sanjeev Kumar
Question by:sanjeevkmrs
    LVL 3

    Accepted Solution

    In general antivirus software slowdowns PCs in the following way:
    1) Anytime it's used, because of realtime protection
    2) When definitions are updated, it will increase CPU usage in that moment
    3) When browsing  internet sites, as it scans web sites too
    4) When accessing network shares, as it scans them too.
    5) When scheduled scans are run

    If you want to speed up PCs and want to keep antivirus, remove all other resident software, as for example:
    - microsoft autoupdate daemon
    - java autoupdate daemon
    - google autoupdate daemon
    - Adobe autoupdate daemon

    To detect and disable unwanted software, you can use the following Sysinternal's free apps:
    - Process Explorer
    - Autoruns

    Google sysinternals and you will find these apps


    Assisted Solution

    We have had problems with performance on Windows XP using SEPM 11.  One of the things we saw was Word "pausing" when someone was typing.  It happened on an hourly basis.  It turned out to be the SEPM heartbeat causing the problem.  We had to change the heartbeat and for good measure we also changed the interval for updates.  Additionally depending on bandwidth and subnets you may want to setup Symantec GUPS.  They will have reduce traffic for update deployment.
    LVL 27

    Assisted Solution

    by:Jason Watkins
    I would only have one antivirus application installed on Windows. SEP or MSSE, but not both, that and Windows XP in general will bog it down considerably.
    LVL 18

    Assisted Solution

    LVL 22

    Assisted Solution

    by:Dr. Klahn
    I have never seen a PC operate correctly with Norton/Symantec installed.  Their web-based scanner is excellent, but the installed product, in my own experience, creates more problems than it prevents.  I would suggest a different antivirus such as AVG.
    LVL 91

    Assisted Solution

    also check if none of the EV software is doing a scan..some can be set to do a daily, or weekly scan
    LVL 29

    Assisted Solution

    by:Sudeep Sharma
    I would also recommend the suggestion by Firebar, one should not have SEP and MSE together. You should either have SEP and MalwareBytes or MSE and MalwareBytes but not SEP, MSE and MalwareBytes.

    For good performance I would recommend MSE and MalwareBytes.


    Author Comment

    please give me some time
    LVL 22

    Assisted Solution

    by:Dr. Klahn
    Recommend split between Firebar, Brockjo63 and SSharma.
    LVL 27

    Expert Comment

    by:Jason Watkins

    Author Closing Comment


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