A computer repeatedly locks without any error message. Which two conditions may be the cause of the problem?

A computer that repeatedly locks up without any accompanying error messages can often be the result of software or system failures rather than hardware issues. One significant cause could be a virus. Malware can interfere with system processes or consume resources excessively, leading to system instability and random lockups. Another possible cause is a corrupted operating system update. If an update was improperly installed or got corrupted during the process, it can cause system files to be altered in a way that disrupts the normal operation of the operating system, resulting in freezes or lockups.

Both of these conditions—malware infection and issues stemming from an update—are plausible scenarios that could lead to the symptoms described. Conversely, while power supply issues can lead to system instability, they typically present other symptoms, such as unexpected shutdowns or hardware failures, rather than just lockups. Hence, focusing on software-related causes such as a virus or a corrupted update provides a more direct explanation for the phenomenon of repeated lockups without errors.