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Svchost.exe Constantly Downloading Stuff

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Svchost.exe error

KULIN MEHTA asked on February 21, 2013. Status: Answered & Closed.

Svchost.exe Constantly Downloading Stuff

» my computer out of no where just starts downloading stuff. So I used TCPView and found out that the downloads are being caused by a program using svchost.exe. I am able to end the process, with that said using the task manager these processes are not visible or accessible so my only chance to stop it is to use another TCP or process viewer. Also when I stop it it is only temporary.

Best Answer

» The file in question is used a lot by the operating system to run services based upon dynamic-link libraries (DLLs), so you should never try to block access for it. Even if there are multiple versions of the file running at the same time, this isn't necessarily a bad thing; it's just handling multiple services.

I suspect the reason why svchost.exe is downloading so much data is because of the new installations. The automatic update service on your PC uses this file to download updates and, if you've had a fresh install, then there will be a lot of data to pull down as far as these updates are concerned. If this is not the case, some kind of viruses(Exploit:Java/CVE-2011-3521) may be the culprit. After your pc is infected by virus or intruded by Trojan, the first thing comes into your mind is to remove it by an anti-virus software. But at this moment, you haven't been aware of the side-effects of doing so. The effect of removing a virus can be as dramatic as the aftermath of a disaster. After eradicating a virus or other form of virus infection, Windows is left in a somewhat broken state.

The safest approach, by far, is to reinstall Windows. But given how painful that is, the alternatives that follow it are often more practical. This time, I would like to recommend DLL Suite to you. DLL Suite has one special feature targeted to fix virus infection problem and thus fix slow PC performance.

COLIN DAWSON replied on February 27, 2013

All Answers:

  1. HAL WATT replied on February 21, 2013: » Step 1: I would suggest you to boot the computer into safe mode with networking and check if the issue persists.

    Step 2: I would suggest you to perform clean boot and remove the program that is causing the issue.

  2. DOUGLAS FITZWATER replied on February 21, 2013: » It's a windows service using svchost.exe. In order to find out which one it is, you need to stop one service at a time until the bandwidth is cut down. Run "services.msc" and start stopping one service at a time (out of the list you get from tasklist /svc /fi "imagename eq svchost.exe"). There you will have the culprit.

  3. CYNTHIA ROBINSON replied on February 23, 2013: » I am having the same problem. Using Resource Monitor to filter by svchost.exe I was able to determine that it is wuauserv (Windows Update) that is consuming my upstream bandwidth (200Kb/s - 700Kb/s). It appears to be going to a Microsoft IP address I'm not sure what it's sending but would definitely like to figure it out. If I stop the Windows Update service the traffic stops. It also appears to be consistently using about 10% CPU. I am running 64-bit Windows 8 Pro.

  4. EDWARD CHEW replied on February 23, 2013: » Its occur mostly because of BITS(Background Intelligent Transfer Service)

    To stop this service: Go to Control Panel - Administrative Tools - Services - search for BITS and Stop the service by right clicking on it then click on stop. Also in the properties of this service select manual or disable.

    You can enable it to update ur windows anytime whnevr u hv an idle connection.

  5. COLE POWELL replied on February 25, 2013: » Start the program, pull down the view menu, choose "select column", then checkmark "command line". This will show you the how each svchost is started. Highlight each svchost occurance, right click choose Properties, then Services tab to see what services each svchost is hosting. Svchost is a "common library" kind of program that works with various services. Highlight each service there, and below is a description of what that service doe.

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