I know you are trying to help us but these questions are just going in circles.
The facts are these:
Some of us were getting the 404 Error. The problem was a "typo" in the coding. We needed to change a Capital "P" to a lower case "p" or was that Lower Case "p" to a Capital "P" for "Products_Search.php. Whichever it was this has been noted and fixed.
It was a typo in the coding these things happen. We have the fix and have posted it to let others know what to so until WebAssist post a fix to the main file.
Now lets move on to the other things that need attention.
The problems that are still nagging most of us and are becoming show stoppers are the following:
1. Cannot make the change to the "cart.php" with ecart so that we can set up "Flat Rate Shipping".
WebAssist Ticket has been submitted by you - over a week ago
E-cart was suppose to be the fix. It is not.
2. Cannot turn on shipping with PayPal Express and shipping active at the same time without having to spend more money upgrading to PayPal Pro.
Web Assist Ticket has been submitted by you - over a week ago
3. When setting up a coupon in PowerStore 3, we cannot switch from appling the coupon to "all" the products to only a few select items.
Web Assist Ticket has been sumitted - over a week ago
If you cannot recreate the problem I have offered to show it to you using GotoMeeting.
4. Setting up PayPal Standard was also a show stopper for some of us but most have found workarounds at the request of clients that do not want to pay Paypal twice for the same service (my client's words).
As stated above these are show stoppers, I cannot send my clients web site live becuase of these problems. This is costing money.
Can we stop beating around the bush and just get these things fixed.
Some of these problems were noted over a month ago.
If this cannot be fixed let us know now so that we can get started on replacements.
If it can be fixed it is time to post the fix and stop waiting our time going in circles.
If you need testers we are waiting to finish what we started.