Unable to install Avast free virsion

[amitbhatti]

History of Problem:
I had installed Avast free antivirus which got corrupt due to interruption in power supply at the time of software updation.  Then i uninstalled Avast from my computer through add remove program of control panel.

Problem:
Now when i have download new version of Avast free version from Avast's website i am unable to install it. Avast get automatically uninstall after partial installation.

Remedies taken:
- I have also used awsClear to uninstall the old version and files.
- And physically removes Avast files from Documents & settings>Application Data>Avast and  from Program files>Avast Software.

Operating System:
Windows XP Sp2

Please Help to install Avast again!!

[Pondus]

do you have any other antivirus progam installed....or had one
if so you should run the vendors removal tool to clear any leftover files that may conflict
tools found here.   http://singularlabs.com/uninstallers/security-software/

avast removal tool here, follow instructions on website, run it for all versions you had and reboot
then try reinstall.

avast removal tool.  http://www.avast.com/uninstall-utility
avast download.  http://www.avast.com/download-software