AVG for Win XP SP3 fails to install

Error message at 2nd page of installation procedure for AVG Free (which has previously installed without problems).  Currently used product does not support this installation. Please uninstall current product and start installation again:  (Error code OxeOO1f98d).
Running WinXP SP3
Any ideas?
Thanks!

Hello Yvonne,
We are sorry to know that the installation fails. This issue can happen, if you have old traces of AVG(http://avgclick.me/UninstallAVGAV) present in your computer. We suggest you to completely remove all the old AVG traces and then try the installation.
Thank you

Hello Yvonne,
We are sorry to know that the installation fails. This issue can happen, if you have old traces of AVG(http://avgclick.me/UninstallAVGAV) present in your computer. We suggest you to completely remove all the old AVG traces and then try the installation.
Thank you