An error describes any issue that arises unexpectedly that cause a computer to not function properly. Computers can encounter either software errors or hardware errors.

How to fix a computer error

As shown in the next section, there are several types of errors that each have hundreds of variations. To fix a computer error, you must first identify the type of error and the source.

  • How to fix a computer error.
  • Computer error messages.
  • What is the difference between an error and bug?
  • Related information.

For example, with a blue screen error message in Windows, a file name, the type of error, and the memory location may be given. This information is used in a search engine to find a fix for the error. If no error message is displayed, search for the symptom you are experiencing. For example, if the computer is turning off without any warning, it is likely a hardware problem and not a computer error.

Software errors are the most common types of errors on a computer and are often fixed with software updates or patches.

Hardware errors are any defects with hardware inside the computer or connected to the computer. Although some hardware issues can be fixed with firmware updates, most of these errors are resolved by replacing the defective hardware.

Computer error messages

Below is a listing of the different errors and error messages a computer may encounter. Clicking any of the links below gives you additional information about that error.

What is the difference between an error and bug?

An error is a message shown to the user, whereas a bug is a problem in the code that caused the error. See our bug page for a full explanation and history of computer bugs.

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  • MS-DOS extended errors.