I contacted Creative about a similar problem with mine when I went onto Vista and they advised that I had to update the firmware. The downside they stated was that I would probably lose all my songs. The only way round this is to save them all to a non vista computer and then upgrade and hope you can put them back onto your player. Here is the info they sent me. Not sure if it works as I never got round to it.
I understand that you cannot get the software to work in your Windows
With regards to your enquiry, there are two things that you need to
consider, player and the software.
For a proper set up, you should update the player with an MTP Firmware
version using a PC with Windows XP installed.
What is the MTP Firmware? http://uk.europe.creative.com/support/kb/article.asp?l=3&sid=6773
Ensure that computer has both Service Pack 2 and Windows Media Player
a. Verify SP version, click+Start+Run+type Winver.
Next, update the driver first, once it has been installed, connect the
player then click the MTP firmware program.
Proceed to this link and download the following files needed.http://uk.europe.creative.com/support/downloads/
just click on the link above then type the filename of the
driver version : JB3MV2_PCWDRV_US_2_01_00.EXE
firmware version : ZenTouchP4S_PCFW_LB_2_11_01.exe
at the search box provided.
download and save them to your folder. Click the program and follow
further instructions during the installation.
For instruction on updating the firmware, please use the link below and
As for the software, you maybe required to download and install the
following updates below:
Please view important notes written at the website for further
Proceed to this link http://uk.europe.creative.com/support/downloads/
then type the filenames: CMS5_PCAPP_LB_5_10_38.exe
at the search box provided. Ensure device is attached before you start
Sorry it's so long winded and I hope it works.