If you know or think you may be infected by a virus!
Here's what you can do: Détection deletionVérification
Update
Protection
Firewalls
Updating the operating system
If you know or think you may be infected by a virus, it must be dealt with as quickly as possible because the infection may invite other infections on your PC and your system may crash (It is annoying not being able to use PC because of a Windows crashed). In addition, there are infections such as MSN infections where the virus sends himself to your contacts by sending a link on MSN so you may infect other PCs without purpose. Imagine also that the infection you infect your USB drive and you pay your USB key to a contact, your contact may infect your PC and so on.
Have a virus scan "online" (requires Internet Explorer with ActiveX allowed), for example:
Carefully note the name of the virus and the name (s) (s) / file (s) infected (s) but do not choose to eliminate the virus because some infections infect Windows files and so if you delete the file infected Windows, you may crash the system.
Go Secuser which contains a list of small, specialized utilities in removing a virus.
Look for one that applies to you, if any, download it and run it.
If there is no utility disinfection specializes in the removal of your virus, read this tip.
In all cases, when you have everything finished, restart your computer and iron an antivirus shot online.
Update your antivirus resident (or install one if it is not already some free antivirus: which one to choose Free Antivirus)
Because these to infiltrate the network, installing a personal firewall is more than possible, even essential!
Firewalls ZoneAlarm et Kerio Personal Firewall are free, easy to use
Some viruses (worms) exploit vulnerabilities in applications or operating system, so it is essential to regularly update (whenever possible). For Windows, it is Windows Update.
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