error while installing Beta3 of Open CV

Dear Experts

while installing Open CV Beta 3
this is the site of the application

i got this erroe

" unable to execute file:
CreateProcessFailed; Code 2.
The System Cannot find the file specified."

i tried to run this application in 4 PC'S

three computers shows this error
and in the last pc it installed properly

so what is missing in the first pc's.
please advice
i need the solution

i appreciate you support


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ee_ai_constructConnect With a Mentor Commented:
Please read entire thread.  Asker solved or content important.
Closed, 500 points refunded.
ee_ai_construct (replacement part #xm34)
Community Support Moderator
Could you explain if there are any differences between the PCs?

And if they are the same have all of them got the same updates and drivers?

firasattarAuthor Commented:
no changes between pc's

but i don't know if there is a required hotfix installed in one pc and not in the other
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Ok well i guess you could check the hotfix's and other drivers for your hardware.

Hotfix's shown in the Add/Remove Programs Screen (control pannel > add/remove programs) [if you needed that]

What about other software are there any differences between that?
firasattarAuthor Commented:
ok i want to close this question without giving points to any body

i got the solution
i have to nistall the direct x 9 first

how can i close this question
timbatteyCommented: <--- Refunds for a question you solved yourself <--- Refunds for an unanswered question

And of course, you could always accept the most valuable answer you had, even if that answer didn't exactly solve your problem.
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