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The Windows Task Manager keeps tabs on all the software that's running on your computer, particularly how much memory and how much of the CPU (Central Processing Unit) is being used by each program. You may find that one or more programs are using a lot of your CPU. Simply put, some programs will just use a lot of CPU power when running. This is particularly the case for video editing, audio file conversion and 3D rendering. When you run one of these projects, your CPU will become quite busy. Anti-virus (AV) software can also occupy your CPU's time, although AV software makers have figured out how to use CPUs more efficiently in recent years. You can pause the scan if it's slowing down your computer, and restart it when you step away from your computer. Some software has been programmed poorly in that it causes unexpected spikes in CPU usage. You can avoid this problem by using alternative software, or waiting for a patch to download and install. Some software has built-in update checking, usually located in the "Help" menu. Viruses, trojans and other malicious code may use a lot of your CPU's power because they are poorly coded or they're using the CPU to perform complex tasks. You can avoid these by doing regular scans of your system with anti-virus software. Some programs can "freeze" altogether and get your CPU stuck in a loop of high activity. This can be caused by faulty hardware or hardware drivers, as well as software. In this case, select the "Processes" tab in the Task Manager, click on the process using up all the CPU's power, and click the "End Process" button.Demanding Sofware
Virus Scanning
Software Glitches
Malware
Software Hangs or Locks Up
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