I'm wondering if your fix worked. I'm trying to install Avast and getting the msvcp71.dll missing error message also.
Are the files in your computer or not?
C:\WINDOWS\system32\MSVCP71.dll
C:\WINDOWS\Microsoft.NET\Framework\v1.1.4322\msvcr71.dll
C:\WINDOWS\system32\URTTemp\msvcr71.dll
C:\WINDOWS\system32\MSVCR71.dll
I read here that perhaps KB900485, KB913433 or KB913580 may be causing the problem.
Well, I have these Windows updates and avast works... Spiritsong is the one that, sometimes, relate Windows Updates troubles... I'm not sure.
Has anyone tried installing xp then installing avast and then windows update?
In fact, when I install, I first go to Windows Update just with XP SP2 firewall and update Windows.
Then I start to install avast and a third party firewall.
Maybe we can send the dll to you and you just copy on the destination folder...