Msxml 4.0 etc...

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Thread Starter
Feb 3, 2013
Tech Support Guy System Info Utility version
OS Version: Microsoft® Windows Vista™ Home Basic, Service Pack 2, 32 bit
Processor: Pentium(R) Dual-Core CPU T4300 @ 2.10GHz, x64 Family 6 Model 23 Stepping 10
Processor Count: 2
RAM: 2037 Mb
Graphics Card: Mobile Intel(R) 965 Express Chipset Family, 448 Mb
Hard Drives: C: Total - 152585 MB, Free - 104941 MB;
Motherboard: Dell Inc., 0C236D
Antivirus: Symantec Endpoint Protection, Updated and Enabled

hI AgAiN.... do I need MSXML 4.0 when my op sys is Vista? PlUS... what the heck is a NTKRNL>exe? And is it important that my SEP is blocking it repeatedly? Thanks agin, in advance for your kind help.
Nov 28, 2012

Microsoft XML Core Services (MSXML) provides a comprehensive set of W3C compliant XML APIs for building high-performance XML-based applications.

Secondly, could you please let us know if that is "ntoskrnl.exe" OR "NTKRNL.exe"??

ntoskrnl.exe is a core file of the kernel-mode components of any NT based Windows OS.
It contains the Cache Manager, the Executive, the Kernel, the Security Reference Monitor, the Memory Manager and the Scheduler, among other things, and is in charge of getting any NT based OS booted up properly.

For further information, go to:

This process should be allowed to run unfettered rather than blocking any activity it generates.

Try Turning off the "Network Application Monitoring" from the SEPM by -

In SEPM goto "Clients" and click on any of your groups.
Open the "Policies" tab.
Click on the third option "Network Application Monitoring".
You can switch it off.


Add an execption for NTOSKRNL.EXE by -

This could be triggered by either TruScan or Network Threat Protection.
    • How to add a TruScan exception:
        1. Open Symantec Endpoint Protection
        2. Select Change Settings in the left pane
        3. Click the Configure Settings button across from Centralized Exceptions
        4. In the User-Defined Exceptions tab, select Add...
        5. Select TruScan Proactive threat Scan Exception
        6. Browse to C:\WINDOWS\system32\
        7. Select ntoskrnl.exe
        8. Choose the desired action from the Action drop down menu
          Note: For testing purposes choose "Log only"
        9. Click Add
        10. Close the Centralized Exceptions window.
If the TruScan exception does not resolve the issue, test by adding a Firewall rule
    • How to add a Firewall rule:
        1. Open Symantec Endpoint Protection
        2. Click the Options button across from Network Threat Protection
        3. Select Configure Firewall Rules...
        4. Click Add...
        5. Type in a rule name
        6. Under Action select Allow this traffic
        7. Click the Applications tab
        8. Click Browse...
        9. Navigate to C:\WINDOWS\system32\
        10. Select ntoskrnl.exe
        11. Click Open
        12. Click OK
        13. Highlight the rule in the list
        14. Click the up arrow button to move the rule to the top of the list
        15. Click OK
Hope that helps!!
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