PCP.exe. This patch is version 2.0h. Along with some general bug fixes, this patch allows Pentacalc Pro to install and run on Windows NT. If you intend to use Pentacalc Pro on any version of Windows NT, you will need to download this patch.  Simply replace the PCP.exe file located in your Pentacalc installation directory with this one and you're ready to go.  Only install this patch if you are using 2.0g or lower.