Computer errors are issues that occur when a computer fails to perform a task as expected. These errors can arise from various sources, including software bugs, hardware malfunctions, or user mistakes. Common types of computer errors include syntax errors, which happen in programming when the code is written incorrectly, and runtime errors, which occur while the program is running. When a computer error occurs, it may display an error message or crash, disrupting the user's work. Troubleshooting these errors often involves checking for updates, running diagnostic tools, or consulting technical support. Understanding the nature of these errors can help users resolve issues more effectively.