As of version 2.9, all features of Auction Sidebar Tool should work just fine on Windows x64 versions.
If you are still having difficulty with Auction Sidebar Tool on your x64 machine, please ensure you have version 2.9 or later from the download page.
If you are still having issues after updating to version 2.9 or later, please visit our support forums for further assistance.
If you like Auction Sidebar Tool Gadget please give it a good rating on Live Gallery http://gallery.live.com/liveItemDetail.aspx?li=32713212-570c-4666-b5ac-85918c31582f
Remember to add our advert to your eBay Listings to support our work if you use our Gadget. Just select, copy and paste the following text and picture into the bottom of your eBay Listing.