How to Fix Critical Errors for Free

Written by thomas king
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How to Fix Critical Errors for Free
A critical error may prevent your computer from turning on. (unplugged image by Josef F Stuefer from

A critical error is an error that is so significant that it causes the affected program to stop. Additionally, a critical error may cause your computer to freeze or restart. Some critical errors are the result of a hardware failure and require purchasing new hardware. However, many critical errors can be fixed with one of two free tools created by Microsoft. Run these tools first to avoid paying money to fix critical errors.

Skill level:


  1. 1

    Click on "Start" and then "All Programs" and then "Windows Update." The Windows Update window opens.

  2. 2

    Click on "Check for Updates." Microsoft makes security updates available that fix common problems, including critical errors.

  3. 3

    Click "Install Updates" to install any available updates. You may be prompted to restart your computer. If the Windows updates did not fix the critical error, continue to the next section.

  1. 1

    Go to the Microsoft Fix It Solution Center (see Resources).

  2. 2

    Click on "Windows" in the left pane and then click on the problem that most resembles the critical error you are experiencing in the right pane.

  3. 3

    Click "Run Now." The Microsoft Fix It Tool will automatically scan your computer and detect the root cause of the error. The Microsoft Fix It Tool will then attempt to automatically fix the error. If the error cannot be fixed, you will be provided with additional resources describing how best to proceed.

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