is this a 64bit application? If it's a 32bit application and it creates
it's own printer port, the port monitor software would need to be 64 bit.

--
Alan Morris
Windows Printing Team
Search the Microsoft Knowledge Base he
http://support.microsoft.com/search/?adv=1

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"Harsimrat" wrote in message
...

Hi Friends,

I am trying to install an application on vista 64 bit OS. Every time an
error pops up and the application printer is not installed. Below is the
error message:-

"Operation could not be completed (error 0x00000704). The specified
port is unknown."

I have tried to google the error but all in vain.

Any help will be appreciated.

Thanks in advance,
Harsimrat


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Harsimrat