Try installing from a different source? B:\ is a funny destination drive.!! ________________________________ From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx] On Behalf Of Mário Videira Sent: Thursday, April 27, 2006 2:09 AM To: ISA Mailing List Subject: [isalist] Internal Error: 0xa1 Hi all! Sorry my english. I have problem. When i try to install isa client, that reply me the following error message: Failed to copy C:\Programas\Microsoft Firewall\msisaund.ini to B:\msisaund.ini Internal Error: 0xa1 Any idea??? How can solve this??? Best Regards Mario Videira