How do you catch a computer virus?

Answer 1

well, firstly, downloading an infected program and starts it. after that, it will start copying itself and will attaches itself to other programs. after that some or all programs will be infected by it.

Answer 2

No antivirus in the world guarantees 100% protection.

First of all we should follow some Basic security rules:-

Do not visit suspicious websites

Be careful when installing freeware programs

Be cautious when opening email attachments

Update security softwares regularly

Backup important data

Regular scan for viruses

We can keep protect our system upto 70% by using these free security sofwares & online free services for a home-internet user

1- Antivirus : Install any one:- (a) AVG Free Edition (free.avg.com) (b) Avira Antivirus Personal(free-av.com) (c) Avast Free Edition(avast.com)

2- PC tune up software: Advanced System Care(iobit.com) and Ccleaner(piriform.com)

3- Malwarebytes Antimalware(malwarebytes.org) Or Superantispyware(superantispyware.com)

4- Spywareblaster

5- Online scan of system provided by: Eset Nod32 [1] and Microsoft [2]. See Related Links shown below.

If your system contain important data then purchase any one security software:-

1- AVG Antivirus

2- Eset Nod32 Antivirus

3- McAfee Virus Scan Plus

For a online banking user purchase any one:-

1- Avira Security Suite

2- Norton Internet Security

3- Eset Smart Security

4- McAfee Internet Security

My absolutely favorite FREE download is from Sandboxie [see Related Link 3 below]. I have gotten NO virus' since I installed it. As their website states, it "runs your programs in an isolated space which prevents them from making permanent changes to other programs and data in your computer." ... It works.

Answer 3

Many things can happen. Probably the most common one is a noticeable decrease in your computer's overall performance. The second thing that can happen is your computer can start tasks without your permission or without your knowledge. The third thing that can happen is a sort of scam, where you get fake messages of advertisements, which can get very annoying. Probably the worst of all is that the malware can disable all your computer's security software and download other malware, which in turn messes up your computer so badly to the point where it crashes.

Answer 4

E-Mails, malicious web sites, music or video downloads, corrupt program downloads and any messenger service.

Answer 5

A computer virus is a computer program that can copy itself and infect a computer

Answer 6

Download or install it from an unsafe site or email attachment.