How to Install Antivirus on infected Systems, when the Antivirus installation failed
There come situations sometimes when no Antivirus is installed on the system and the setup closes after just after extracting files etc and also you will be umable to browse Antivirus Softwares related websites. This indicate that you system is infected with virus that prevents you from installing the Antivirus and even block your access to their websites. I am going to share some detail in order to overcome this situation and you'll be able to install and update Antivirus properly. Sometimes you've to download the tools from another system that is clean, just copy into the USB Stick and run from the infected system and scan it.
I am describing three methods to fix the above said issue.
Method 1
Download the Portable Antivirus Tools such as "Kaspersky Virus Removal Tool (AVP), Norton Power Eraser, Microsoft Safety Scanner, McAfee Stinger "
Information for Kaspersky AVP: http://support.kaspersky.com/viruses...ol2011?level=2
Download Link: http://devbuilds.kaspersky-labs.com/...ool/avptool11/
Information for Norton Power Eraser: http://security.symantec.com/nbrt/npe.aspx
Download Link: http://liveupdate.symantec.com/upgrade/NPE/1033/NPE.exe
Information and Download Link for Microsoft Safety Scanner: http://www.microsoft.com/security/sc...s/default.aspx
Information of McAfee Stinger: http://www.mcafee.com/us/downloads/f...e-stinger.aspx
Download Link: http://www.mcafee.com/us/downloads/f...s/stinger.aspx
Download the latest one. Execute, configure and update it and then start Scanning.
Method 2
Download the Malwarebytes Antimalware
Information for Malwarebytes Antimalware: http://www.malwarebytes.org/products/malwarebytes_free/
Download Link: http://downloads.malwarebytes.org/mbam-download.php
Execute, configure and update it and then start Scanning.
If you failed to download Malwarebytes Antimalware from an infected system, then try the tool by Malwarebytes named "Malwarebytes Chameleon"
Information for Malwarebytes Chameleon: http://www.malwarebytes.org/products/chameleon/
Download Link: http://downloads.malwarebytes.org/file/chameleon
Follow the instructions in the included Chameleon CHM Help File or, if the help file will not open, simply try to run the files by double-clicking on them one by one until one of them remains open, then follow the onscreen instructions.
Method 3
Use the Antivirus Rescue CD for cleaning the severely infected systems with viruses
Download the Rescue CD by any Antivirus vendor from here http://www.itdunya.com/t256410/
Make them bootable either on CD or USB and boot from it and follow the onscreen instructions. Hopefully you'll be able to install Antivirus successfully without re-installing the Windows.
Repairing the Windows
After cleaning the system, if you want to repair the Windows do the following in the Administrator Account
1) Go to MyComputer and Right click on the System Drive usually C drive and navigate to Tool tab, then click on "Check Now" under the option "Error-Checking". A new window appear and select the option "Automatically fix file system errors". Restart the system if needed.
2) Insert the CD/DVD from which you installed the Windows. This must be same as you use for recent installation.
3) Go to Run and Type "sfc /scannow" without quotes and press Enter. A new window is opened showing progress, let it finished and then restart the PC again.
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Meggy said:
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