Hello I was able to install Quickbooks version 5.0 for Windows circa 1997 (upc 028287002999 ) running in Wine version stable on a lvm debian lenny. As one can see the default company is displayed in the screenshot. Please note that this program is licensed for 'single-user' only on the computer(s) used by a single individual. . Licensing unlock code must be obtained from Intuit Incorporated - Post Office Box 7850 - Mountain View CA 94039-7850 - address may have changed - refer to http://www.intuit.com This software is for use in the USA only, and not available for export. 48 CFR 52.227-19 - sect (c)1 ; DFARS 52.227-7013 ; ITAR ; and ITAECA. All parts of application are functional, except for the update of the software and the online banking 'ach' functions. Use your financial institution's secure website for online banking. Cheers. photo of application using winehq (http://picasaweb.google.com/lh/photo/H6JeDPAWFAG-eJM-vYHbew?authkey=Gv1sRgCInd0MLahOuu2AE&feat=directlink)