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svchost.exe -k LocalService memory leak, windows 7 64bit

Tags:
  • Windows 7
  • Svchost.Exe
  • Memory
Last response: in Windows 7
November 15, 2013 6:40:49 AM

I am running a relatively new installation of windows 7 enterprise 64-bit and am getting intermittent memory leaks in svchost.exe (running -k LocalService). Just to rule out malware/viruses, I rebooted my machine with Kaspersky rescue disk and did a full scan. Zero problems. I've also done full scans with anti-malwarebytes and superantispyware and they only found cookies. So it's definitely not a spyware problem I don't think.

I have only a handful of services running under this PID:

WdiServiceHost - Diagnostic Service Host
nsi - Network Store Interface Service
netprofm - Network List Service
FontCache - Windows Font Cache Service
fdPHost - Function Discovery Provider Host
EventSystem - COM+ Event System

I am pretty sure it has something to do with the networking services. The last time my memory went to 99% utilization, I disabled my ethernet adapter from the network and sharing center and immediately CPU usage maxed out on all four cores and the machine ground to a complete halt forcing me to hard power cycle. In addition, any attempt to stop those services once memory utilization reaches a peak results in either "process didn't quit cleanly within a reasonable time" or "other services are relying on that, you can't stop it" messages (those aren't the exact errors but the next time it happens I will get the exact text)

The onboard chipset for my MOBO is Atheros AR8151 and I tried upgrading the driver from 1.0.0.35 to 1.0.0.45 and that hasn't fixed it.

Here is the file size of svchost:

  1. C:\Windows\System32>dir svchost.exe
  2. Volume in drive C has no label.
  3. Volume Serial Number is 44F5-530F
  4.  
  5. Directory of C:\Windows\System32
  6.  
  7. 07/13/2009 08:39 PM 27,136 svchost.exe
  8. 1 File(s) 27,136 bytes


And here is output from process explorer on that PID:

http://pastebin.com/KVvhBDVK

Any help appreciated. It's really annoying to have to come to my machine after several hours of idling and see near 100% memory usage of 16GB and have no choice but to reboot...

More about : svchost exe localservice memory leak windows 64bit

November 23, 2013 7:47:20 PM

bump? I've definitely reduced it to the NSI process.
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December 26, 2013 11:38:10 PM

blm14 said:
bump? I've definitely reduced it to the NSI process.


I have no solution, but I have exact same problem as you
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Related resources
July 24, 2016 12:34:01 PM

Bumping! to help other users.
it's due to windows update service. common signs are high cpu/ ram usage and windows update stuck at 0. MS resolved the issue in march 2016. this will guide you on how to fix it :http://abopc.blogspot.com/2016/05/windows-update-memory...
reply and share your experience or problem.
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