http://www.zwsoft.com/forum/viewthread.php?tid=1238 <P style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: -18pt; LINE-HEIGHT: normal; mso-list: l0 level1 lfo1"><SPAN lang=EN-US style="FONT-FAMILY: 'Calibri','sans-serif'; mso-ascii-theme-font: minor-latin; mso-hansi-theme-font: minor-latin"><?:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p>Hi richk.You're rignt, you need to install the dongle drivers first before using it. </o:p></SPAN> zw_admin 2008-12-21 19:49:35 http://www.zwsoft.com/forum/viewthread.php?tid=1238&pid=11162 <font face="Arial">While installing ZwCAD 2008i Pro on a Vista 64 system as administrator on my clients system, I noticed that ZwCAD 2008i does not automatically install the dongle drivers. Had to install them by manually by running C:'Program Files'ZWCAD 2008i Eng'InstDrv64.exe</font> zw_admin 2008-12-17 10:02:06