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Turning on Web Protection destroys PC's

Scott2020

Hello.  Yesterday I installed Sophos 9.5 and created a new av and hips policy for a test group.  As part of the group I turned on the new features, but under "web protection" I had set "block access to malicious websites" left OFF.  I decided to try this out, so I turned it ON and pushed out to my test group.  Seconds after the update, I had 3 machines crash with svchost.exe errors, and an NTAUTHORITY process with a 60 second countdown trying to shut the machine down.

We restarted these machines and now we can't log into them.  There are several svchost.exe errors and then random critical errors preventing us from doing anything on the machines.

On one machine I was able to boot with last known good configuration and recovered it.

These are Windows XP SP3 machines with the latest Windows updates.  No firewall or other AV turned on.

Anyone else have this problem?

:3825


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    Hi Alex,

    Our testing with the APC software shows there really isn't a practical way for our software to work with their software, given how our software is built today. The LSP from APC simply does not operate correctly with other similar LSPs installed (even the Windows Parental Controls on Vista Home or Vista Ultimate fails to work successfully with their software as well).

    In the 9.5.3 update we are introducing a mechanism to detect incompatible LSPs and notify adminstrators when the Web Protection feature is enabled. Our LSP will not be activated when we detect one of these incompatible LSPs, thus avoiding the very bad experience of being unable to boot the PC.

    Update re: the NVIDIA App Filter LSP mentioned earlier in this thread - due to some unforeseen issues we will not be including a fix in 9.5.2 as planned. This fix has been scheduled for 9.5.4. Apologies for the inconvience.

    Thanks,

     Bob Cook
    Development Manager, Sophos Vancouver

    :4767
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  • 0

    Hi Alex,

    Our testing with the APC software shows there really isn't a practical way for our software to work with their software, given how our software is built today. The LSP from APC simply does not operate correctly with other similar LSPs installed (even the Windows Parental Controls on Vista Home or Vista Ultimate fails to work successfully with their software as well).

    In the 9.5.3 update we are introducing a mechanism to detect incompatible LSPs and notify adminstrators when the Web Protection feature is enabled. Our LSP will not be activated when we detect one of these incompatible LSPs, thus avoiding the very bad experience of being unable to boot the PC.

    Update re: the NVIDIA App Filter LSP mentioned earlier in this thread - due to some unforeseen issues we will not be including a fix in 9.5.2 as planned. This fix has been scheduled for 9.5.4. Apologies for the inconvience.

    Thanks,

     Bob Cook
    Development Manager, Sophos Vancouver

    :4767
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