Quote Originally Posted by mact_tors View Post
good day sir gh....remember my dell netbook?the buyer returned my unit claiming that it is infected with the virus! he found this out when he inserted a flash disk and tried to view hidden files. the folder option "show hidden files and folders" is not working. also, i found out that the "update now" option in the mcaffee anti virus is not highlighted. i tried to uninstall and re-install the anti-virus but same thing happened. i even tried avg (free) but it did not made any updates! is my netbook infected? good thing i did not buy the sony netbook because of your review otherwise i will have 2 netbooks! thanks again sir GH!
It was probably his flash drive that's infected in the first place.

Anyway, you can try downloading SDFIX (google for it, you'll find it), you might still get the virus.

Otherwise, try GH's suggestion of reinstalling via recovery disc/s.