Computer virus is an executable program that is purposely and intentionally made to block and damage the computer operation and software program, the computer virus would spoil the files and other programs by contaminating the data. . the virus will be infected by the internet browsing websites with Trojans and adware, email attachments or spam mails with worms, downloading the files from untrusted websites and copying the infected files from external devices would bring viruses to the computer.Antivirus is also a computer program which is particularly intended and made for the detection, to avoid and to eradicate the harmful programs in the computer.
Here are some indication on symptoms and signs of infected viruses.
1. Computer will be very slow.
2. System doesn’t work properly and system gets auto shutdown and restarts suddenly.
3. Problem in opening the Windows task manager and system booting.
4.Vanishing of files & documents and trouble to accesse the CD & DVD drives.
5. too difficult in running the applications from the start menu.
6. Automatically redirect the page to certain websites while connecting the internet.
7. show down virtual memory is low.
Free anti virus 2013
Best antivirus software 2013
Here are the details of best antivirus softwares 2013 and free antivirus download.
Bitdefender antivirus software is excellent to use and easy to set up. It uses little system resources so the performance of the system never gets slow with it. Having personal data filter, rescue mode and USB immunizer are the advantages which ensure the system protection. Here the infected files are collected and placed in the quarantine, the users are given the choice to remove them or direct them to the lab for further analysis. Remote management, secure financial transactions, worthy phishing protection are its good features.
Cons: Takes much time to clean-up the infected system.