The user name and authorization code provided for UltraCompare are case sensitive and must be entered EXACTLY as received from IDM Computer Solutions, Inc.
The EASIEST and MOST RECOMMENDED way to enter the code correctly is to copy it from the message received from IDM using the clipboard (select it and then copy to clipboard), then paste it into the authorization dialog edit box (using Ctrl+V).
Please note that if your user name includes a reference to the number of users, i.e.,
"Acme Printing~ 8 User License"
this is part of the registration name and must be entered along with "Acme Printing".
If you do have any problems properly registering UltraCompare, please send an email to support@idmcomp.com indicating what version of UltraCompare you're trying to register and EXACTLY what you're entering for the user name and authorization code. We will reply to you as soon as possible with information to help you register your license.