Issue Password protected pdf

[MuhammadZahid]

I am using FPDF library to generate PDF through PHP for my educational assignment. While using SetProtection method to make password protected PDF file. Sometimes When i try to open generated password protected file in Microsoft edge and Adobe Acrobat reader DC. It give me wrong password alert, but when i tried to open same file to any other browser like Google Chrome, it opens.
Kindly suggest me any solution.

[Test Screen Name]

You are not using Acrobat nor any other Adobe product. This is a forum for customers using Adobe Acrobat and requiring help with Adobe Acrobat related problems.