How to identify and close applications that use a lot of system resources

How to identify and close applications that use a lot of system resources

1.Right click on the start bar and click start task manager.
2.Click the Performance tab.

3.Click on the bar named memory to sort the applications by how much memory they are using.

4.Now end Process on any software you’re not using right now.

5.(Optional) Refer to this post to stop the software from starting with your computer. Stop startup programs.

Edit: Sorry forgot a step this is to clear up some confusion.


6. You will be prompted with a warning box. If you are closing word or some other app make sure everything is saved first. And closing an applictation that you don’t know could cause the system to be unstable but after a restart everything will go back to normal so you don’t really need to worry.


  1. mananya

    There is a Task Manager warning: Terminating a process can cause undesired results including loss of data and system stabilitiy. The process will not be given the chance to save its state or data before it is terminated. Are you sure want to terminate the process?
    Is it save to close applications that use a lot of system resources?
    Thank you.

  2. Yes. What that warning is saying is two things. One if you have Microsoft word open or some other program and you end its task any unsaved work will be lost. And two if you end task on something important it “could” make the system unstable. But 99% of the time the process will just start itself again if its important.

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