A computer virus is a type of malicious software that, when executed, replicates itself by modifying other computer files or Windows registry entries. Viruses can cause widespread damage, including loss of data, decreased system performance, and even system crashes.

Viruses are often spread through email attachments, downloads from unknown or unreliable websites, or through infected USB drives. They can also be inadvertently installed when software is not properly updated.

There are a number of measures you can take to protect your computer from viruses, including using a reputable antivirus program, installing software updates as they become available, and being careful …