program compatibility XP

Does someone known how program compatibility internally works in XP?

Regards,
RM

It uses user mode function call hooking by patching entry tables and for
this purpose injects DLLs such as aclayers.dll and acgenral.dll into the
process when it’s being created.

Regards,

Daniel Terhell
Resplendence Software Projects Sp
xxxxx@resplendence.com
http://www.resplendence.com

“RM” wrote in message news:xxxxx@ntdev…
> Does someone known how program compatibility internally works in XP?
>
> Regards,
> RM
>
>
>
>