Advanced PDF Password Recovery Pro is easy to use and reliable program that helps you decrypt protected PDF files. Only if the owner password is set, password recovery is not necessary at all, but the file is encrypted immediately (so all restrictions are removed). User password can be recovered using brute-force and dictionary attacks; Also supports key attack that allows aacute; Program ui PDF 1.3 (Acrobat 4.x) to decrypt files regardless of password length, guaranteed – which takes only 4-5 days to the modern dual-CPU system. Advanced PDF Password Recovery does not pass Pro to work with documents user-level passwords (preventing the files from being opened), if both the user password and owner is unknown; and PDF files protected with any 3rd party security plug-in. Professional Edition also permits aacute; ui search for owner and user passwords with brute-force attack Dictionary, optimized effective for speed (however, do expected to recover passwords long in a reasonable time with these attacks). Additionally, Advanced PDF Password Recovery Pro has Key search attack, which ensures that decryption of files PDF 1.3 (Acrobat 4.x or older) regardless of password length, by testing all possible 40-bit encryption key (takes about 3 -4 days on dual-CPU systems modern). Warning: There will APDFPR works with Mac computers with Virtual PC; Unfortunately, it seems to be a problem of Virtual PC itself. However, it seems to work just fine SoftWindows from FWB Software APDFPR; You can also try RealPC of the same company. Known bugs and limitations of the processing program can encrypt files 1 overall remains encrypted only. Neither the documents protected with any other encryption handlers (like FileOpen, SASS_INTERNET_STDS from Standards Australia Software Services, or SoftLocks Acrobat Security Plug-Ins) is decrypted. Please also note that the attack key is available in PDF 1.4 / 1.5 / 1.6 files (Acrobat 5/6/7, in that order) with 128-bit encryption. Can not (yet) The program works with some files and gr euml; ted with Adobe Acrobat 6.0 and 7.0 (PDF 1.5 and 1.6 specifications).