Svchost Uses up 100 Percent Of CPU In Windows 7 How To Fix

April 14, 2011

If you use a Windows operating system, such as Windows NT, 2000, 2003, XP, Vista and Windows 7, chances are you have often noticed that there is a process called svchost.exe running in the background seemingly at all times. You can see running processes by pressing Ctrl+Alt+Del or Ctrl+Shift+Esc altogether to bring up Windows Task Manager. It seems that DLLs (Dynamic Link Libraries) trigger the Service Host Process. Unfortunately, there is no limit to how many sessions of this particular process can run. As a result, it may often end up using 100% CPU resources and can even freeze the computer.

However, what you should also beware of is that the svchost.exe may actually be triggered by some other applications. These applications may include viruses, Trojans, adware, spyware, malware and so forth. Therefore, you need to check what is actually triggering the Service Host Process.

  1. In case you are unlucky enough to not be able to see all running processes in Task Manager, you may need to tick the check box that says “Show processes from all users”.
  2. Then, if the User Account Control dialog box appears, just click on the Continue button.
  3. Once you have been able to see every single process running on your system, the next thing you need to do is to see the real cause of the svchost.exe.
  4. To do this, right click on the troublesome svchost.exe service and click on “Go to Service(s)”.
  5. This will direct you to the Services tab with the corresponding service highlighted. When you have finally found out what actually triggers the svchost.exe that consumes 100% of your CPU, you can look over them carefully.
  6. Then, if you are sure that there are not any other processes that may well be associated with the service, you may right click on it and choose Stop Service.

You need to be very careful about this. In case you happen to stop a service that is essentially needed by Windows 7 to run, chances are you will damage your PC and cause the system to become unstable. Also note that 100% of CPU usage may as well be caused by some other factors such as virus infection or a corrupt registry. Therefore, an antivirus or registry cleaning application may come in handy.

Still have problems? It’s recommended to run best registry cleaner to fix and speed your PC!
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