The homepage could not open

I when surfer in the computer presents a dialog box, said that had a thing not to be able to move, asked that my whether shut-down operation, my “was”, at that time Thunderclap, the potato also had a homepage are opening, finally has selected later these three homepages is only the demonstration is opening, actually could not open, other homepages opened are also very slow, but the actually could open, could also search, what’s all this about, how to manage?
Had the malicious plug-in unit.May use 360 security bodyguards to eliminate the malicious plug-in unit.Has the malicious software with 360 Zha Cha, IE repairs to try