>I have replace TAG and TAG2 field with blank. It didn't work.

It's not enough. You have to clean up Expr field also as described in the message I pointed you to.

>Later I found that, your programme EnumPrinterFormClass.prg doesn't give the list of form of default printer. I have used the following line to select the default printer
<snip>>I obsevered that it always give the list of form of local PC.
>
>I am using WIN XP SP2 & VFP 9.0 and Epson LX300+ printer for developement.
>while the executable run with HP LASERJET 1020.
>
>
>Can you tell me why I cannot fetch the default printer form list.

The code returns what it suppoose to. The print forms are defined on the local PC. A printer may not support some of them.