I forget how to do things after a few days so think after a few years I would have serious problems too
I don't remember much about old versions of excel, but I would imagine that some of the things suggested might not have been possible back then.
The new code is intended to replace, delete the old code and start again.
To apply the conditional format for the code to work with, in excel 10 (I'm assuming it's the same set up as 07, note this is done in excel, not the VBA editor).
First select the range of cells on the worksheet that should highlight if a match is found, either with your mouse, or select the first item #, hold shift + ctrl, then press right arrow, down arrow.
Next press Alt H L N, in the window that shows, choose "use a formula to determine which cells to format"
Then in the formula box, enter
=ROW()=ROW(findrow)
Click the format button under the formula box and change the font and fill options to make the rows stand out, click OK a couple of times to get back to excel, then try Ctrl F search to test it.
Hope that makes sense.