>>>I think some virus or Trojan got into my computer and now I only see one drive C: whereas before I had drivers D: and E:. The drive C: only shows very little space left. When I run the Windows Security Essentials it says that it cannot clean the computer and recommends downloading the Standard System Sweeper from some site. Does this sound as legitimate?
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>>Long live Kaspersky! I burned the ISO image of Kaspersky 10 Boot clean up ti a CD and started my computer from this CD. Almost immediately when the scanning started it found Rootkit.Boot.Pihar C and I chose to Disinfect it. Then Kaspersky scanned the entire drive (took about 3 hours) but didn't find anything. After I restarted the computer my drives are back, visible. And - during the last 10 minutes - I can't hear the message from Avast that some malicious url has been stopped. I think I am going to either buy or download Kaspersky, pay for it and remove Windows Security Essentials and Avast.
>>I also need to find a good software to make an image of my drive, just in case. I will start a new thread on that.
>>Thank you all for your help!
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>My husband got Kaspersky when he bought his new Asus laptop (he is not happy with it, BTW). I told him that I only heard bad things about Kaspesky and told him to not install it. Windows 8 comes with Windows Defender which looks like MS Security Essentials.
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>I am not sure if he needs to install it after all.
I am not clear if your husband is not happy with Asus or Kaspersky? If latter, why?
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