Avast deletes patched tcpip.sys on Windows XP

Avast deletes tcpip.sys on Windows XP with update 121205-1 if the file TCPIP.SYS has been patched with Lvllord’s TPCIP patcher. This is a Patcher to increase the limit of concurrent half-open connections. The patch can be found here http://www.lvllord.de/

Can confirm this on multiple Windows XP systems. Please fix the avast update

take a look at the same problem here : http://forum.avast.com/index.php?topic=110771.0