How can we uninstall Personal Security in the computer?

Viruses just pop up and Personal Security will diver us to purchase their anti virus software.

my computer has a spyware on it called Security Tool how do i get rid of it?

i have to use my computer in safe mode because this Security Tool keeps popping up on the screen. i also cannot go on the internet in normal mode. i did not download this tool it just appeared. tell me what to do. thank you

Taiwan Opposition Says Computers Hacked by Chinese – ABC News

“Some of the computers have been planted with Trojan horse viruses so hackers could monitor … Citing the conclusions of a computer security firm, Huang says one source of Chinese attacks was the Kuala Lumpur, Malaysia, bureau of China’s official Xinhua …
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My friend put my flash drive into his security tool infected computer. Should I not use it anymore?

I tried putting it into an old computer and nothing, but I want to make sure it won’t spread through my flash drive.