1. Avast Antivirus

Avast Antivirus is one of the best programs for diagnosing and protecting your computer from malware, viruses, and other online threats. It offers real-time protection, regular updates, and a wide range of scanning options to detect and remove malicious software from your system. Avast Antivirus also comes with additional features such as a firewall, email scanning, and web protection to ensure the security of your device while browsing the internet.

2. CCleaner

CCleaner is a popular diagnostic tool that helps optimize your computer’s performance by removing unnecessary files, fixing registry errors, and managing startup programs. It scans your system for temporary files, broken shortcuts, and other clutter that may be slowing down your PC. CCleaner also offers a range of tools to customize and maintain your computer, making it an essential program for diagnosing and improving system performance.

3. Malwarebytes

Malwarebytes is a powerful program for diagnosing and removing malware, adware, and other malicious software from your computer. It uses advanced scanning technology to detect and eliminate threats that traditional antivirus programs may miss. Malwarebytes also offers real-time protection, automatic updates, and a quarantine feature to isolate and remove suspicious files. With its user-friendly interface and effective malware removal capabilities, Malwarebytes is a top choice for diagnosing and securing your system.

4. HWMonitor

HWMonitor is a hardware monitoring program that provides real-time information about your computer’s temperature, voltage, fan speed, and other vital components. It helps diagnose hardware issues, prevent overheating, and optimize system performance by monitoring the health of your PC. HWMonitor is easy to use and offers customizable alerts to notify you of any potential problems. With its detailed reports and accurate readings, HWMonitor is an essential tool for diagnosing and maintaining the health of your computer.