Hi Stewart

I had the same problem with Vista. Like you I download the driver and got teh same message you had. I email sony and this si what they said

Dear John,

Thank you for contacting the Sony Ericsson Call Centre.

With regards to your enquiry, we are sorry to hear of the issues that you are having when you are trying to connect your Sony Ericsson K800i to your PC.

To try and resolve this issue we suggest adding a Virtual COM Port to the PC. This can be done by following the steps below.

1. Go to the Control Panel, and click on Add Hardware (switch to classic view if not listed).
2. Click Next on the Welcome to the Add New Hardware Wizard.
3. Select the option to "Install the Hardware that I manually select from a list (Advanced) and click Next.
4. Look through the list, and select Ports (COM & LPT) and then click Next.
5. Under Manufacturer, select (Standard Port Types), and under Model, select Communications Port and click Next.
6. Click Next again.
7. Once the installation has completed, click Finish.

Once you have done this restart your PC and then re-install your Sony Ericsson PC Suite software, we apologise for any inconvenience this may cause.

Should you require any further assistance, please do not hesitate to contact us again for further help and support.

For more information on our products and services, please feel free to visit our website at www.sonyericsson.com

www.sonyericsson.com/fun
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Kind Regards,
Sam Hogarth

Sony Ericsson Call Centre
mailto:questions.gb@support.sonyericsson.com
http://www.sonyericsson.com

I delete the driver and didnt bother reinstalling it I have alap top with XP so I just use that

Good luck

John