which version of windows?

"Ramu" <ramu.iyer@gmail.com> wrote in message 
news:aec072df-b081-4561-8afa-d3652ee828a6@m73g2000hsh.googlegroups.com...
>
> I have a Toshiba Tecra, Model number PTA42U-015-003
>
> I am attempting to update the BIOS for this laptop so that I can
> enhance overall system performance.
>
> http://www.csd.toshiba.com/cgi-bin/tais/su/su_sc_dtlViewDL.jsp?soid=1307457&moid=882431&rpn=PTA40U&BV_SessionID=@@@@2027989460.1208388174@@@@&BV_EngineID=cccdadedlfgkkgicgfkceghdgngdgmm.0&ct=DL&all_docs=false
>
> I see the following:
> ACPI Flash BIOS version 2.00 for Tecra A4 / Satellite M40 (Intel
> video)
>
> After unzipping the archive, I choose "Install from Windows" option,
> but see the following popup:
>
> Error:
> BIOS Package Cannot Use on This Platform
>
> Just want to make sure that I am referring to the correct BIOS version
> and any directions or assistance is greatly appreciated.
>
> Thanks in advance.