How to unprotect pdf document

[visu]

Unprotect PDF document

I have some useful books in protected PDF format. I cant view the contents as it is view protected. I cant unprotect using pdf password remover. Any one know how to unprotect or any software to unprotect.
Thanks in advance.

[igor1234]

visu,

If you are not able to unprotect them you should share them and other users will try to compete the task.
If someone unprotect them then you will need to give him some points.

[RANA WASEEM]

first of all please make a search for your request before posting

visit this thread of the forum

Code:

***************************************
Content of this section is hidden, You must be registered and activate your account to see this content. See this link to read how you can remove this limitation:

http://forum.civilea.com/thread-27464.html
***************************************

download the software and say thanks to member who uploaded it...

I tested it with ACI-318 (SECURED) and it worked