Frustrated

I’m sick of viruses!!! Yesterday, my computer got infested by Trojans and cracked down. I had to spend an hour to reboot it.

Everything seemed fine until this morning. I found out that all the internet browsers couldn’t play sound in any of flash player websites. So rediculous that the window media player in my computer still works properly. What the hell is happening?

I’ve asked many friends, but they said it was the first time they ‘ve encountered such a weird case like mine.  Anyone who can solve my problem, please help me