Malware

It is another generic problem that infects your computer. Malware means malicious software. Worms and Trojan Horses are some of the examples of common malware. Malware often enters your computer via mail attachments.

It is really difficult to free your computer from malware. It is always suggested that you do a system restore and reinstall your operating system. You can go for program such as Malwarebytes Anti-Malware for less powerful malware.