How to: Kill 100% CPU Usage Automatically

You may have noticed that your CPU  spikes to 100% of it’s power and then most of your programs and the computer becomes unresponsive or too slow to respond, that’s because the CPU doesn’t have any capacity left to process new programs or continue with existing programs.

In this guide, i will explain how you can automatically kill the process consuming 100% CPU. You can also use the two apps listed at the bottom if you do not want to play with the registry.

Follow the steps as listed here, the steps are for editing registry manually but if you want to do this automatically then jump to the bottom and use the apps.

Back up your registry settings

Since we will be modifying the registry it is important that you export the registry hive to a usb or an external drive or to your computer. To do this, follow these steps:

Hold Windows Key and Press R
Type regedit in the run dialog and click OK

regedit1-1

Select “Computer” or the top folder (your computer name)

computer

Click File -> Export and save the registry Settings.

This will be your back up of the registry settings, to import them back, click File -> Import and choose the file you backed up.

Step 2: Modify HKEY_CURRENT_USER\Control Panel\Desktop

Go to HKEY_CURRENT_USER\Control Panel\Desktop
Locate the value called “Auto End Task” and set it’s value to 1

This will kill any program hung immediately.

If you want to allow  some time before killing the program

Locate the key called WaitToKillAppTimeout
Change the value to the one you want it, this will be in milliseconds.

kill

If you want to undo the changes, simply import the registry back up back into registry editor.

Kevin Arrows


Kevin is a dynamic and self-motivated information technology professional, with a Thorough knowledge of all facets pertaining to network infrastructure design, implementation and administration. Superior record of delivering simultaneous large-scale mission critical projects on time and under budget.

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How to: Kill 100% CPU Usage Automatically

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