>Yes, it depends on the one_letter name:
>Im just run the code below to see that restricted letters are:Aa,Bb,Cc,Dd,ee,Ff,Gg,Hh,Ii,Jj,Mm.
>
>***************
>ON ERROR ?chr(ia)
>fso = CreateObject("Scripting.FileSystemObject")
>FOR IA=65 to 90
> lccom=chr(ia)+[=fso.GetFolder("c:\temp\")]
> &lccom
> lccom="fc="+chr(ia)+".Files"
> &lccom
>ENDFOR
>FOR IA=97 to 122
> lccom=chr(ia)+[=fso.GetFolder("c:\temp\")]
> &lccom
> lccom="fc="+chr(ia)+".Files"
> &lccom
>ENDFOR
>

I hope that you copied Garrett on this.