The fix doesn't make any sense...
It says to:
This zip file contains an updated version of the Protx_VSPServer file for all four server languages to fix the issue. Please copy the one for your server langages to the following location in your site:
However, there isn't a COScripts folder - just a checkoutScripts folder - and the file in that folder (Protx_VSPForm.asp) doesn't match the one provided (Protx_VSPServer_VB.asp)... copying the replacement file over the original just creates issues.
I'm running the latest version of eCart.
Do you not plan to release a never version of eCart with all this fixed?