Yes, as unfortunately thousands of new virus are created everyday. Your anti-virus will detect it as soon as it is updated against that particular new virus. This happens quite soon really, as many researchers are involved in the computer anti-virus fight.
No, Your Anti Virus will be uninstalled, You will have to reinstall it.
antivirus
If you suspect there is a virus on your computer, you should immediately scan your computer with an installed antivirus. When your antivirus finds a virus, either have it quarantined or removed. By quarantining a virus, you have the ability to send the file to the antivirus company for analysis, so that way they can protect other clients from the virus.
Install an antivirus software.
a computer virus is a hacking software that you download on your computer anti-virus is the software that gets rid of viruses
Get yourself a good antivirus.
you use antivirus and scan the computer then remove the virus
An antivirus program
it protects your computer from virus's
do not worry about anything if we have a good antivirus program then it cant affect our computer with a virus
Computer Virus Signature are updates that has been downloaded mainly by an Antivirus program. These Virus Signature are patterns and behaviors of a virus. If your Antivirus detected a file and it's pattern and behavior the same as the virus signature, it will automatically list it as virus.
Antivirus software will notice about the virus,malware,spyware etc