Sometimes we operate the computers, we often encounter some errors, such as the error code fix cpu usage 100 percent, it will affect our operation of the computer, and cause trouble to our life and work, if you encounter the error please don't worry, this article will help you fix this error.


Under normal conditions, you will experience:

Under normal conditions, you may encounter program lock-ups, sluggish computer performance, system crash, blue screen errors, startup or shutdown problem, and installation errors.

Let us know the symptoms

Common symptoms involve:

"Windows has stopped this device because it has reported problems. (Code fix cpu usage 100 percent)"
Cause of fix cpu usage 100 percent:

The issue may occur as a result of many reasons such as:

  • Apps that launch on startup
  • Memory leak
  • Registry hack settings
  • Running out of free RAM
  • System idle process
What's the correct method to fix fix cpu usage 100 percent error codes?
Manual Method

Step 1: Scan virus

If your computer infects malware or virus, it will report a fix cpu usage 100 percent error to prevent malicious programs from executing. Virus or malware infection is one of the most frequent common viruses and starting a virus scan should be the first attempt. If there is malware or virus on your PC, the issue you get is a signal of it. The right and first reaction to that is running a full virus scan for computer system and personal files as soon as possible. If you already have setup antivirus tool, then update it to the latest version and perform a virus scan.

Step 2: Repair registry

In some cases, the error is caused by harmful system maintenance and corrupted registry entries. Registry is damaged due to software installation or uninstallation, for example users install new apps over old ones without deleting or uninstall them correctly. Many Windows users typically treat the system registry as SPOF (single point of failure), which indicates that operating system is tied to registry and registry corruption may lead to system abnormal functions.

In order to remove the issue, you should check registry entries and delete all redundant and null entries, but that'll be a complex process to many users who are not computer specialist. One incorrect operation may lead computer to inoperable, such as deletion of wrong input by accident. If you are not a computer guru, you can try some third-party software which is able to scan and repair corrupted registry automatically instead of repairing registry manually. Quite a few such apps are available on the Internet, and most of them perform equally well.

Step 3: Disable DEP (Data Execution Prevention)

Data execution prevention was at first introduced by Microsoft and used on Windows XP Service Pack 2 and later versions. It is a set of security features designed to prevent code execution from non-executable memory segments. It checks memory in order to protect computer againstkeep computer away from virus.

DEP has been enabled for both hardware and software components starting with Windows XP SP2. However, some programs are still can't be fully compatible with it. Some applications adopt a technique, usually called dynamic code generation, which doesn't mark these codes with an execute permission. As a result, this conflict leads to the problem. Besides, if software is developed without SafeSEH, it tends to cause fix cpu usage 100 percent error when DEP is enabled on the computer.

If you encounter the error because of DEP, you can contact the developer of the software which cause the issue and ask whether they have a resolution. Alternatively, you can disable DEP for the software in question and this can be done by following steps:

  • Log in computer with Administrator account to make sure you have fully administrative rights.
  • If your computer is running Windows XP, click "Start" button and select "Run". Windows 7 user can press Windows and R keys. Type sysdm.cpl in Run box and click OK.
  • You can see System Prosperities window where you need to click Advanced tab and then click Settings.
  • The "Performance Options" window will appear and please click "Data Execution Protection" tab. Select the option "Turn on DEP for all programs and services except those I select" and click "Add" button.
  • Browse files from the Open applet and find the exe files of the software which causes the error code. Select it and click "Open" button.
  • Click "Apply" and "OK" to make changes take effect.

Step 4: Remove bad RAM memory

Normally, a bad or incompatible RAM (Random Access Memory) cause the issue. For instance, you've just added a new memory for your computer to improve performance; however, you start to get error fix cpu usage 100 percent from that time on. You can get rid of the problem by simply removing the memory and restarting computer to check if the error has disappeared. If that works, retrieve the memory or replace it with one that is fully compatible with your computer.
Note: Before taking away RAM memory, you should turn off computer and pull out all cables such as power, network, etc. If your PC is laptop, turn off the computer and take out the battery.

Step 5: Update Internet Explorer 6.0

The error may occur in Microsoft Internet Explorer 6.0 when you try to open an HTML file or web page. At the same time, the IE may stop responding when the error occurs. This issue occurs especially when the HTML document or web page Internet Explorer 6.0 tries to open includes SPAN tags which were not properly closed. If the tags tag is not closed correctly with tag, the access violation will take place.

With regard to solutions, Internet Explorer is outdated and current Windows 10 lead into Edge. You can install the later version of Internet Explorer such as Internet Explorer 10 or use other free browsers such as Google Chrome, Mozilla Firefox, Opera, etc.

Highly Recommended Solution: fix cpu usage 100 percent

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"Computer or system problems are very easy to fix for SmartPCFixer, one-click can be resolved, before the system is always pop-up error pop-up window, and then the computer crashes, with SmartPCFixer scan many problems, and then repair them and the pop-up window no longer appears."

---- Allen.S

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