From UPS's site: (check these) System Requirements for Creating a Shipment To create a shipment using UPS Internet Shipping or UPS CampusShip™, please verify that your computer meets the following system and browser requirements: Operating system An internet-connected PC with Microsoft Windows® XP, Windows Vista® (32 or 64 bit), Windows® 7(32 or 64 bit) An internet-connected Apple® Macintosh with Mac® OS X or higher Browser Microsoft Internet Explorer 6.x or later Firefox 3.0.x or later Safari 4.0.4 Google Chrome Opera 10.10 For best results, configure your browser to: Accept graphics Accept cookies Allow JavaScript Enable Secure Socket Layer (SSL) encryption technology Save encrypted pages to disk Disable pop-up killer software. UPS Internet Shipping and UPS CampusShip use pop-up windows to display/print labels/receipts and for entering new addresses. In addition, follow these steps to adjust your page caching in Microsoft Internet Explorer: In the toolbar, select Tools. Select Internet Options. Under Temporary Internet files, select Settings. Select Every visit to the page. Select OK then select OK again.