Can’t Install Antivirus Application After Virus Infected? Try USB Portable Antivirus
It’s common that we couldn’t install any antivirus program after a computer is infected by virus. A smart virus normally will restrict program installation or registry editing. To solve this problem, you can
- Restore your computer to an earlier check point.
- Scan virus online
- Scan virus via portable antivirus program
- Format computer
For me, I will always try to scan my computer with Portable Antivirus program first because there’s no installation is required and it’s performed in offline mode.
In short, Portable Antivirus is a FREE portable antivirus application that is capable to remove certain variants of virus, Trojans, ad-ware and spy ware from your computer.
Portable Antivirus is built to detect and remove high serious risk viruses that currently spread in the wild. The total file size of Portable Antivirus is only 1MB. So you can just put it in thumb drive with other portable programs.
Automatic update for virus definitions is available too so you don’t need to worry on handling the latest virus in your computer. You’re allowed to drag and drop files to Portable Antivirus to scan instantly on fly too. 
Download Portable Antivirus
Download it as a backup program on your USB drive to remove virus fast and instant.
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This USB Portable is a nice replacement for Floppy-based Antivirus
@kuanhoong, you’re right.
Floppy-based Antivirus program is outdated.
link isn’t working
thankxxxxxxxxxxxxxx
It doesn’t work, there is a message that file is corrupted while it works on another computer
Would be nice if the download links actually worked:
The webpage cannot be found
HTTP 404