Computer freezes – Viruses are usually behind this issue. Malware infections are on the rise, leading to the freezes. Computer hardware can also lead to the problem. Be careful when clicking links you are not familiar with or suspicious looking links to prevent viruses.
Install anti-spyware and antivirus and ensure it is always updated. It is also helpful to check hardware drivers for updated versions and uninstalling components recently installed if you suspect the problem is hardware related.