Sorry to hear about your troubles, but I think I have something that can help you:
1. Don't shoot me, but if you haven't already, go to this link
and download the package. You don't need the Giga Pocket update (is useless so I assume that is where you are having problems) BUT the MPEG encoder drivers are necessary.
2. Get the Giga Pocket app and all the frills for XP from here
3. Although I could leave it here, I know that a lot of problems arise when people install both the drivers and Giga Pocket app such as getting a grey screen for all your channels despite this whole process being such a pain. All you need to do to make it work is a little bit more work from a command prompt by registering the *ax files. Since you installed the HD, RAM and a new OS, I think you can handle it.
To register the Sony *.ax files (after installing the initial drivers and Giga Pocket):Note: There seem to be a lot of *.ax files, so I am giving you the automated option. If you have issues and want to do each manually, let me know and I'll guide you.
1.) From the command window, type as follows:
cd "c:\Program Files\Sony"
dir /S /B *.ax
This will give you a list of all of the .ax files in all of the
2.) You need to copy this list into a text file. First,
click the window icon at the top left-hand side of the command window.
When the menu drops down choose edit-> Mark. Now you can drag the
mouse to select the entire list of files. Don't forget to scroll up and
start with the first file in the list. When you have selected the
entire list, press enter to copy the text.
3.) Next, open Notepad and paste the text into a new document. Now use the
search and replace feature as follows. First, replace all instances of
with the following
Then, replace all instances of
with the following
4.) Finally, save the file somewhere easy to remember would the file extension .bat. For example, you could save it as c:\giga.bat
Now all you have to do is run the batch file that you just created. You
can either double-click it or run it from the command window. To run it
from the command window simply enter the filename by itself on the
command line. When you run it, it will display a dialog box for each
file that was successfully registered.