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All antiviruses are unable to work(SOLVED)

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Hagen:
Hello, I got this forum from "Windows Repair - (All in 1)". Marvelous program but didnt work in my issue.

Suddenly I have a weird problem, my antivirus doesnt work any more, no live protection, no scaning. I tried 4 more antivirus, wont work too. I also tried in safe mode, I used Malwarebytes, RJT and many others. No result.

Can u help plz?

Shane:
Sounds like your system is infected.

A lot of viruses will totally kill and disabled all the well know anti viruses. If your not on Windows 8.1 have you tried running combofix.exe yet?

Shane

Hagen:
Yes apparently it is infected, sfc /scannow told me that there are some corrupted windows files which cannot repair.
I have Win 7 Ult 64 SP1.
I already run combofix twice, do u want the log file, can u read it?

Shane:
If the system files are corrupt and infected then a repair install would be best.

Better than a fresh install because you can keep your programs and settings :-)

First you need a Windows 7 cd with SP1 on it. You can grab it here
https://sites.google.com/site/linuxlablibrary/windows-iso

And then just follow this :wink:
http://www.sevenforums.com/tutorials/3413-repair-install.html

Shane

Hagen:
Well, I used "Windows defender offline", booted with that and deleted the virus, now antivirus is working properly.
But sfc /scannow still tells me that "there are corrupted win files which cannot repair all of them".

So, do I have to make that repair or it is not necessary?

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