Computer issues refer to problems that can affect the performance and functionality of a computer system. Common issues include software glitches, hardware malfunctions, and connectivity problems. These can result in slow performance, unexpected crashes, or difficulty accessing the internet. Troubleshooting computer issues often involves identifying the root cause, which may require checking for updates, running diagnostic tools, or replacing faulty components. Regular maintenance, such as updating software and cleaning hardware, can help prevent many common problems. Understanding these issues is essential for effective computer use and management.