hii im doing security to pdf putting passwords , i have adobe acrobat standard x win 7 pro 32bit ,and the pdf file is on my desktop

[amirher]

hii my name is amir  im doing security to pdf putting passwords , i have adobe acrobat standard x win 7 pro 32bit ,and the pdf file is on my desktop

after the encryption adobe reader cannot open the file he Crash

it not happened every time i encrypt 

[Test Screen Name]

What are the messages when Adobe Reader crashes, exactly? Also, exactly which version of Reader?

[amirher]

hii my adobe is acrobat x ver 10.0.0.0

תודה.

אמיר הרשקוביץ

יחידת מחשב מכון התקנים הישראלי

חיים לבנון 42 רמת אביב

פל:050-6202766 או 03-6465031

[Test Screen Name]

‌Thank you for the part reply. Please say what the messages are exactly When it crashes.

[Test Screen Name]

‌note you cannot email screen shots  

[amirher]

　this is the error

[Test Screen Name]

Thank you. This seems serious. The files open OK before setting security? I hope we will hear from someone at Adobe, but it is not certain that this will happen.

[amirher]

yes ,the files open OK before setting security

[Bernd Alheit]

Install the updates for Adobe Acrobat.