This is a virus caused it

Hello:
I use the Lenovo desktop, open the network side, a box, shown above:
Svchost.exe– Application Error
(here is a circle, which Is an X, is red):”Ox7ffaOeb8″ directive cited “Ox7ffaOeb8” memory, the memory can not be “written”.
To terminate the program, click “OK”.
To debugger, single Hit “Cancel”.
Determine
cancellation of this is what I would like to ask, because there are computer viruses do, what kind of virus, how to solve, because there are things machines do not want to redo the system, please help us take a look at .
need to download any antivirus software, where Download, what name.
This is what caused the situation?
now a computer can not open a page, not a lot of things to do, we help you.

very grateful!

is that the virus most likely infected by this document, because he is very important, since his plane on the run, they tied him, To find a good soft-kill to kill, such as re-Kaspersky virus in your system the fastest, because you do not have to install Microsoft's KB958644 patch.
The virus is the name of the “clean-up wave of” worm attacks, such as the user has not yet addressed KB958644 system to lay a good patch, once hackers scan revealed by the twinkling of an eye, worm viruses, hackers become an accomplice of the remote control, take the initiative to attack other computer users.In other words, once the local area network in a computer infected, the whole network Do not fix loopholes on the computer will be infected with the virus, its harm and with the rampant spread in the form of “shock” and “Sasser” is very similar.

You to a Web site, to solve their own right
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