General strange crash bug

[ground]

Hi guys,
i have a big and misterious issue here. I got a new laptop, an LG A550, with an i5 and Geforce 640M two weeks ago.
things were running ok until yesterday, i was playing online and suddenly the flash game crashed. i thought it was a flash player problem, so i updated it, and problems began:

- not only stills with the game not loading, but also i had most web pages not loading properly.
they takes several minutes to load and when it happens it shows an text only creepy version of it.
- that happens to facebook, netvibes, tumblr and kongragate (three that i use daily), but google, yahoo, youtube and this forum works ok...
- also noticed that bug makes me not be able to download plugin updates nor download some new softwares..

I got mad and tried system restore.
All attempts failed.
Finally i tried to restore the whole system to factory conditions, to get rid of ALL softwares i had installed in this two weeks. when completed, guess what... the issue CONTINUES! :shock::shock:


what should i do now?
could be a problem with the files at the D partition?
a hardware problem?
or some rare hard time register bug?
please help me on that!!!

 

[bigmck]

Since you were online, the first thing that strikes me is a virus. I hope you have a virus program and a firewall on it. That is a must. A good free one is Microsoft Security Essentials - Microsoft Windows == You might also scan for Malware. This a free program also Malwarebytes : Free anti-malware download Let us know how it goes.

 

[ground]

okay, thanks! but...
the microsoft couldn't be downloaded.
the anti-malware were downloaded fine.

another strange thing is that when i use a portable browser, like firefox portable, the websites i couldn't load, loads with perfection. original version stills not loading. none of them downloads the av from microsoft

edit:
and i got avg free 2013 to perform a system scan, found nothing.
but the problem stills.