password powerpoint? read-only file option doesn't show up!

R

rktek

I've downloaded a powerpoint file on a specific website. When I try to open
it on my laptop a window pops up and is asking me a password without offering
the "read-only" option. There is only "ok" and "cancel" showing up. I don't
know the password. I also tried with the powerpoint viewer but the same
problem.

I did the test on other my parents computers and everything is working fine.
The file is openable because the "read-only" option is showing up besides
"ok" and "cancel".

I had microsoft office 2002 and I installed microsoft office 2007 beta
lately thinking maybe that was the problem but it's not.

What is the problem?

Thank you
 
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