Thanks to both Gary and Randy, Randy, you were correct. Needed to run as administrator. Not sure why though? This was the first time I had to do that. It is a new laptop though. Must have to do with how it is configured. Regards, Mark From: icu-pcb-forum-bounce@xxxxxxxxxxxxx [mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of Randy Dawson Sent: Monday, March 26, 2012 11:42 AM To: icu-pcb-forum Subject: [PCB_FORUM] Re: Allegro Free Viewer (16.5) Installation error (Win 7) Or admin privileges, try right mouse, install as administrator.. Randy _____ Date: Mon, 26 Mar 2012 10:14:04 -0500 From: Gary.Carter@xxxxxxxxxxxxxx To: icu-pcb-forum@xxxxxxxxxxxxx Subject: [PCB_FORUM] Re: Allegro Free Viewer (16.5) Installation error (Win 7) Is it possibly a 32-bit vs. 64-bit issue? On 3/26/2012 10:06 AM, Mark Salberg wrote: Hi all, I am getting this error while installing Allegro free viewer 16.5 on Win 7 machine. I have installed successfully on many other win 7 machines though. Does anyone have any suggestions? Regards, Mark Description: Description: C:\Users\dlewis\AppData\Local\Temp\SNAGHTML14d28571.PNG -- Regards, -Gary