Mac users using Preview have reported problems with opening e-book PDF files in ENGnetBASE and other CRCnetBASE products. To resolve this issue, we recommend downloading Adobe Reader and installing it as a browser plug-in.

CRCnetBASE titles need Adobe Reader to open within the browser to work properly on both Macs and PCs.  To make sure that Adobe Reader opens within your browser, check the "Display PDF in browser" option within your Adobe Reader preferences.

If you get a message such as Application Error when you're trying to use a licensed resource, close your browser, then open it and try again. Most vendors make use of several servers, and sometimes one gets hung up. Other things to try:

• Refresh the browser display: hold down the Shift key when you click the browser's Refresh button.
• Clear the browser cache.